82408433 has 4 divisors (see below), whose sum is σ = 82553328. Its totient is φ = 82263540.

The previous prime is 82408423. The next prime is 82408441. The reversal of 82408433 is 33480428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82408433 - 2²⁴ = 65631217 is a prime.

It is a super-2 number, since 2×82408433² = 13582299659030978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82408433.

It is not an unprimeable number, because it can be changed into a prime (82408423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71591 + ... + 72732.

It is an arithmetic number, because the mean of its divisors is an integer number (20638332).

Almost surely, 2^82408433 is an apocalyptic number.

It is an amenable number.

82408433 is a deficient number, since it is larger than the sum of its proper divisors (144895).

82408433 is a wasteful number, since it uses less digits than its factorization.

82408433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144894.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 82408433 is about 9077.9090654181. The cubic root of 82408433 is about 435.1682671347.

The spelling of 82408433 in words is "eighty-two million, four hundred eight thousand, four hundred thirty-three".