82259394 has 16 divisors (see below), whose sum is σ = 188021568. Its totient is φ = 23502672.

The previous prime is 82259389. The next prime is 82259449. The reversal of 82259394 is 49395228.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1958557 = 82259394 / (8 + 2 + 2 + 5 + 9 + 3 + 9 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979237 + ... + 979320.

It is an arithmetic number, because the mean of its divisors is an integer number (11751348).

Almost surely, 2^82259394 is an apocalyptic number.

82259394 is an abundant number, since it is smaller than the sum of its proper divisors (105762174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82259394 is a wasteful number, since it uses less digits than its factorization.

82259394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958569.

The product of its digits is 155520, while the sum is 42.

The square root of 82259394 is about 9069.6964668064. The cubic root of 82259394 is about 434.9057689930.

The spelling of 82259394 in words is "eighty-two million, two hundred fifty-nine thousand, three hundred ninety-four".