82390963 has 16 divisors (see below), whose sum is σ = 87505920. Its totient is φ = 77464800.

The previous prime is 82390951. The next prime is 82390981. The reversal of 82390963 is 36909328.

It is a cyclic number.

It is not a de Polignac number, because 82390963 - 2²⁵ = 48836531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82390933) 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, 195493 + ... + 195913.

It is an arithmetic number, because the mean of its divisors is an integer number (5469120).

Almost surely, 2^82390963 is an apocalyptic number.

82390963 is a deficient number, since it is larger than the sum of its proper divisors (5114957).

82390963 is a wasteful number, since it uses less digits than its factorization.

82390963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 82390963 is about 9076.9467884306. The cubic root of 82390963 is about 435.1375141052.

The spelling of 82390963 in words is "eighty-two million, three hundred ninety thousand, nine hundred sixty-three".