86904428 has 24 divisors (see below), whose sum is σ = 164802288. Its totient is φ = 39859776.

The previous prime is 86904421. The next prime is 86904451. The reversal of 86904428 is 82440968.

It is not an unprimeable number, because it can be changed into a prime (86904421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 13602.

It is an arithmetic number, because the mean of its divisors is an integer number (6866762).

Almost surely, 2^86904428 is an apocalyptic number.

It is an amenable number.

86904428 is a deficient number, since it is larger than the sum of its proper divisors (77897860).

86904428 is a wasteful number, since it uses less digits than its factorization.

86904428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433 (or 10431 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 86904428 is about 9322.2544483617. The cubic root of 86904428 is about 442.9424482813.

The spelling of 86904428 in words is "eighty-six million, nine hundred four thousand, four hundred twenty-eight".