987294904 has 8 divisors (see below), whose sum is σ = 1851177960. Its totient is φ = 493647448.

The previous prime is 987294887. The next prime is 987294947. The reversal of 987294904 is 409492789.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61705924 + ... + 61705939.

It is an arithmetic number, because the mean of its divisors is an integer number (231397245).

Almost surely, 2^987294904 is an apocalyptic number.

It is an amenable number.

987294904 is a deficient number, since it is larger than the sum of its proper divisors (863883056).

987294904 is a wasteful number, since it uses less digits than its factorization.

987294904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123411869 (or 123411865 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 987294904 is about 31421.2492431475. The cubic root of 987294904 is about 995.7469048259.

The spelling of 987294904 in words is "nine hundred eighty-seven million, two hundred ninety-four thousand, nine hundred four".