86906928 has 20 divisors (see below), whose sum is σ = 224509688. Its totient is φ = 28968960.

The previous prime is 86906927. The next prime is 86906957. The reversal of 86906928 is 82960968.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1810561 = 86906928 / (8 + 6 + 9 + 0 + 6 + 9 + 2 + 8).

It is not an unprimeable number, because it can be changed into a prime (86906927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905233 + ... + 905328.

Almost surely, 2^86906928 is an apocalyptic number.

It is an amenable number.

86906928 is an abundant number, since it is smaller than the sum of its proper divisors (137602760).

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

86906928 is a wasteful number, since it uses less digits than its factorization.

86906928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810572 (or 1810566 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 86906928 is about 9322.3885351341. The cubic root of 86906928 is about 442.9466956502.

The spelling of 86906928 in words is "eighty-six million, nine hundred six thousand, nine hundred twenty-eight".