624987492 has 12 divisors (see below), whose sum is σ = 1458304176. Its totient is φ = 208329160.

The previous prime is 624987491. The next prime is 624987509. The reversal of 624987492 is 294789426.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (624987491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26041134 + ... + 26041157.

It is an arithmetic number, because the mean of its divisors is an integer number (121525348).

Almost surely, 2^624987492 is an apocalyptic number.

It is an amenable number.

624987492 is an abundant number, since it is smaller than the sum of its proper divisors (833316684).

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

624987492 is a wasteful number, since it uses less digits than its factorization.

624987492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52082298 (or 52082296 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 624987492 is about 24999.7498387484. The cubic root of 624987492 is about 854.9822697325.

The spelling of 624987492 in words is "six hundred twenty-four million, nine hundred eighty-seven thousand, four hundred ninety-two".