620736396 has 48 divisors (see below), whose sum is σ = 1658393856. Its totient is φ = 177021504.

The previous prime is 620736377. The next prime is 620736409. The reversal of 620736396 is 693637026.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40155 + ... + 53421.

It is an arithmetic number, because the mean of its divisors is an integer number (34549872).

Almost surely, 2^620736396 is an apocalyptic number.

It is an amenable number.

620736396 is an abundant number, since it is smaller than the sum of its proper divisors (1037657460).

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

620736396 is a wasteful number, since it uses less digits than its factorization.

620736396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838 (or 13836 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 620736396 is about 24914.5819952894. The cubic root of 620736396 is about 853.0393595258.

The spelling of 620736396 in words is "six hundred twenty million, seven hundred thirty-six thousand, three hundred ninety-six".