86973290 has 32 divisors (see below), whose sum is σ = 162722304. Its totient is φ = 33433920.

The previous prime is 86973269. The next prime is 86973301. The reversal of 86973290 is 9237968.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47777 + ... + 49563.

It is an arithmetic number, because the mean of its divisors is an integer number (5085072).

Almost surely, 2^86973290 is an apocalyptic number.

86973290 is a deficient number, since it is larger than the sum of its proper divisors (75749014).

86973290 is a wasteful number, since it uses less digits than its factorization.

86973290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 86973290 is about 9325.9471368864. The cubic root of 86973290 is about 443.0594114429.

The spelling of 86973290 in words is "eighty-six million, nine hundred seventy-three thousand, two hundred ninety".