82433915 has 16 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 64491360.

The previous prime is 82433899. The next prime is 82433917. The reversal of 82433915 is 51933428.

It is not a de Polignac number, because 82433915 - 2⁴ = 82433899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82433917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66350 + ... + 67580.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^82433915 is an apocalyptic number.

82433915 is a deficient number, since it is larger than the sum of its proper divisors (18688645).

82433915 is a wasteful number, since it uses less digits than its factorization.

82433915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522.

The product of its digits is 25920, while the sum is 35.

The square root of 82433915 is about 9079.3124739707. The cubic root of 82433915 is about 435.2131161654.

The spelling of 82433915 in words is "eighty-two million, four hundred thirty-three thousand, nine hundred fifteen".