623874820 has 24 divisors (see below), whose sum is σ = 1311657984. Its totient is φ = 249260256.

The previous prime is 623874787. The next prime is 623874827. The reversal of 623874820 is 28478326.

It is not an unprimeable number, because it can be changed into a prime (623874827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 35323.

It is an arithmetic number, because the mean of its divisors is an integer number (54652416).

Almost surely, 2^623874820 is an apocalyptic number.

It is an amenable number.

623874820 is an abundant number, since it is smaller than the sum of its proper divisors (687783164).

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

623874820 is a wasteful number, since it uses less digits than its factorization.

623874820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36219 (or 36217 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 623874820 is about 24977.4862626326. The cubic root of 623874820 is about 854.4745902730.

The spelling of 623874820 in words is "six hundred twenty-three million, eight hundred seventy-four thousand, eight hundred twenty".