620614236 has 48 divisors (see below), whose sum is σ = 1582576128. Its totient is φ = 187728000.

The previous prime is 620614229. The next prime is 620614237. The reversal of 620614236 is 632416026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620614237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75421 + ... + 83243.

It is an arithmetic number, because the mean of its divisors is an integer number (32970336).

Almost surely, 2^620614236 is an apocalyptic number.

620614236 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

620614236 is an abundant number, since it is smaller than the sum of its proper divisors (961961892).

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

620614236 is a wasteful number, since it uses less digits than its factorization.

620614236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442 (or 8440 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 620614236 is about 24912.1302983105. The cubic root of 620614236 is about 852.9833968952.

The spelling of 620614236 in words is "six hundred twenty million, six hundred fourteen thousand, two hundred thirty-six".