623966874 has 16 divisors (see below), whose sum is σ = 1249919040. Its totient is φ = 207658080.

The previous prime is 623966873. The next prime is 623966887. The reversal of 623966874 is 478669326.

It is a happy number.

623966874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (623966873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78619 + ... + 86190.

It is an arithmetic number, because the mean of its divisors is an integer number (78119940).

Almost surely, 2^623966874 is an apocalyptic number.

623966874 is an abundant number, since it is smaller than the sum of its proper divisors (625952166).

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

623966874 is a wasteful number, since it uses less digits than its factorization.

623966874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165445.

The product of its digits is 2612736, while the sum is 51.

The square root of 623966874 is about 24979.3289341407. The cubic root of 623966874 is about 854.5166146947.

The spelling of 623966874 in words is "six hundred twenty-three million, nine hundred sixty-six thousand, eight hundred seventy-four".