82808403 has 8 divisors (see below), whose sum is σ = 116222400. Its totient is φ = 52300008.

The previous prime is 82808399. The next prime is 82808413. The reversal of 82808403 is 30480828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82808403 - 2² = 82808399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82808413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726333 + ... + 726446.

It is an arithmetic number, because the mean of its divisors is an integer number (14527800).

Almost surely, 2^82808403 is an apocalyptic number.

82808403 is a deficient number, since it is larger than the sum of its proper divisors (33413997).

82808403 is a wasteful number, since it uses less digits than its factorization.

82808403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452801.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 82808403 is about 9099.9122523242. The cubic root of 82808403 is about 435.8711620977.

The spelling of 82808403 in words is "eighty-two million, eight hundred eight thousand, four hundred three".