82908290 has 32 divisors (see below), whose sum is σ = 152567280. Its totient is φ = 32431104.

The previous prime is 82908283. The next prime is 82908311. The reversal of 82908290 is 9280928.

82908290 = 2623² + 2624² + ... + 2634².

It can be written as a sum of positive squares in 8 ways, for example, as 45171841 + 37736449 = 6721^2 + 6143^2 .

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, 99596 + ... + 100424.

Almost surely, 2^82908290 is an apocalyptic number.

82908290 is a deficient number, since it is larger than the sum of its proper divisors (69658990).

82908290 is a wasteful number, since it uses less digits than its factorization.

82908290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 82908290 is about 9105.3989478770. The cubic root of 82908290 is about 436.0463470917.

The spelling of 82908290 in words is "eighty-two million, nine hundred eight thousand, two hundred ninety".