82439203 has 16 divisors (see below), whose sum is σ = 103023360. Its totient is φ = 64087200.

The previous prime is 82439173. The next prime is 82439209. The reversal of 82439203 is 30293428.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82439203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82439209) 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, 40668 + ... + 42646.

It is an arithmetic number, because the mean of its divisors is an integer number (6438960).

Almost surely, 2^82439203 is an apocalyptic number.

82439203 is a deficient number, since it is larger than the sum of its proper divisors (20584157).

82439203 is a wasteful number, since it uses less digits than its factorization.

82439203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 82439203 is about 9079.6036807781. The cubic root of 82439203 is about 435.2224220348. Note that the first 3 decimals are identical.

The spelling of 82439203 in words is "eighty-two million, four hundred thirty-nine thousand, two hundred three".