86308706 has 16 divisors (see below), whose sum is σ = 141909408. Its totient is φ = 39043200.

The previous prime is 86308657. The next prime is 86308721. The reversal of 86308706 is 60780368.

86308706 = 1379² + 1380² + ... + 1422².

It is a self number, because there is not a number n which added to its sum of digits gives 86308706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (8869338).

Almost surely, 2^86308706 is an apocalyptic number.

86308706 is a deficient number, since it is larger than the sum of its proper divisors (55600702).

86308706 is a wasteful number, since it uses less digits than its factorization.

86308706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18817.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86308706 is about 9290.2478976613. The cubic root of 86308706 is about 441.9280166417.

The spelling of 86308706 in words is "eighty-six million, three hundred eight thousand, seven hundred six".