86620394 has 16 divisors (see below), whose sum is σ = 148763328. Its totient is φ = 37055232.

The previous prime is 86620381. The next prime is 86620399. The reversal of 86620394 is 49302668.

It is not an unprimeable number, because it can be changed into a prime (86620399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2717 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (9297708).

Almost surely, 2^86620394 is an apocalyptic number.

86620394 is a deficient number, since it is larger than the sum of its proper divisors (62142934).

86620394 is a wasteful number, since it uses less digits than its factorization.

86620394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 86620394 is about 9307.0077898323. The cubic root of 86620394 is about 442.4593580939.

The spelling of 86620394 in words is "eighty-six million, six hundred twenty thousand, three hundred ninety-four".