83210408 has 8 divisors (see below), whose sum is σ = 156019530. Its totient is φ = 41605200.

The previous prime is 83210401. The next prime is 83210411. The reversal of 83210408 is 80401238.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 40934404 = 6502^2 + 6398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (83210401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200643 + ... + 5200658.

Almost surely, 2^83210408 is an apocalyptic number.

It is an amenable number.

83210408 is a deficient number, since it is larger than the sum of its proper divisors (72809122).

83210408 is a wasteful number, since it uses less digits than its factorization.

83210408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401307 (or 10401303 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 83210408 is about 9121.9739091931. The cubic root of 83210408 is about 436.5753563390.

The spelling of 83210408 in words is "eighty-three million, two hundred ten thousand, four hundred eight".