987625400 has 24 divisors (see below), whose sum is σ = 2296229520. Its totient is φ = 395050080.

The previous prime is 987625393. The next prime is 987625403. The reversal of 987625400 is 4526789.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987625403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2468864 + ... + 2469263.

It is an arithmetic number, because the mean of its divisors is an integer number (95676230).

Almost surely, 2^987625400 is an apocalyptic number.

It is an amenable number.

987625400 is an abundant number, since it is smaller than the sum of its proper divisors (1308604120).

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

987625400 is a wasteful number, since it uses less digits than its factorization.

987625400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938143 (or 4938134 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 987625400 is about 31426.5079192710. The cubic root of 987625400 is about 995.8580008634.

The spelling of 987625400 in words is "nine hundred eighty-seven million, six hundred twenty-five thousand, four hundred".