987654404 has 12 divisors (see below), whose sum is σ = 1885522128. Its totient is φ = 448933800.

The previous prime is 987654383. The next prime is 987654419. The reversal of 987654404 is 404456789.

987654404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×987654404² = 1950922443481190432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11223302 + ... + 11223389.

It is an arithmetic number, because the mean of its divisors is an integer number (157126844).

Almost surely, 2^987654404 is an apocalyptic number.

It is an amenable number.

987654404 is a deficient number, since it is larger than the sum of its proper divisors (897867724).

987654404 is a wasteful number, since it uses less digits than its factorization.

987654404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22446706 (or 22446704 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 987654404 is about 31426.9693734538. The cubic root of 987654404 is about 995.8677493580.

The spelling of 987654404 in words is "nine hundred eighty-seven million, six hundred fifty-four thousand, four hundred four".