82390923 has 6 divisors (see below), whose sum is σ = 119009124. Its totient is φ = 54927276.

The previous prime is 82390907. The next prime is 82390933. The reversal of 82390923 is 32909328.

It is not a de Polignac number, because 82390923 - 2⁴ = 82390907 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 4577265 + ... + 4577282.

It is an arithmetic number, because the mean of its divisors is an integer number (19834854).

Almost surely, 2^82390923 is an apocalyptic number.

82390923 is a deficient number, since it is larger than the sum of its proper divisors (36618201).

82390923 is a wasteful number, since it uses less digits than its factorization.

82390923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154553 (or 9154550 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 82390923 is about 9076.9445850462. The cubic root of 82390923 is about 435.1374436869.

The spelling of 82390923 in words is "eighty-two million, three hundred ninety thousand, nine hundred twenty-three".