620601696 has 192 divisors, whose sum is σ = 2126960640. Its totient is φ = 173560320.

The previous prime is 620601691. The next prime is 620601701. The reversal of 620601696 is 696106026.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (620601691) and next prime (620601701).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 620601696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620601691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121041 + ... + 126063.

It is an arithmetic number, because the mean of its divisors is an integer number (11077920).

Almost surely, 2^620601696 is an apocalyptic number.

620601696 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620601696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063480320).

620601696 is an abundant number, since it is smaller than the sum of its proper divisors (1506358944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620601696 is a wasteful number, since it uses less digits than its factorization.

620601696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 620601696 is about 24911.8786124210. The cubic root of 620601696 is about 852.9776517891.

The spelling of 620601696 in words is "six hundred twenty million, six hundred one thousand, six hundred ninety-six".