82490395 has 16 divisors (see below), whose sum is σ = 106872192. Its totient is φ = 60762240.

The previous prime is 82490393. The next prime is 82490399. The reversal of 82490395 is 59309428.

It is a happy number.

It is not a de Polignac number, because 82490395 - 2¹ = 82490393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82490393) 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, 28725 + ... + 31465.

It is an arithmetic number, because the mean of its divisors is an integer number (6679512).

Almost surely, 2^82490395 is an apocalyptic number.

82490395 is a deficient number, since it is larger than the sum of its proper divisors (24381797).

82490395 is a wasteful number, since it uses less digits than its factorization.

82490395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 82490395 is about 9082.4223090539. The cubic root of 82490395 is about 435.3124896051.

It can be divided in two parts, 824 and 90395, that added together give a palindrome (91219).

The spelling of 82490395 in words is "eighty-two million, four hundred ninety thousand, three hundred ninety-five".