620849700 has 108 divisors (see below), whose sum is σ = 2048497360. Its totient is φ = 156841920.

The previous prime is 620849687. The next prime is 620849717. The reversal of 620849700 is 7948026.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1054 + ... + 35253.

Almost surely, 2^620849700 is an apocalyptic number.

620849700 is a gapful number since it is divisible by the number (60) 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 620849700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024248680).

620849700 is an abundant number, since it is smaller than the sum of its proper divisors (1427647660).

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

620849700 is a wasteful number, since it uses less digits than its factorization.

620849700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36346 (or 36336 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 620849700 is about 24916.8557406427. The cubic root of 620849700 is about 853.0912585778.

The spelling of 620849700 in words is "six hundred twenty million, eight hundred forty-nine thousand, seven hundred".