82940493 has 16 divisors (see below), whose sum is σ = 115545600. Its totient is φ = 52852800.

The previous prime is 82940479. The next prime is 82940497. The reversal of 82940493 is 39404928.

It is not a de Polignac number, because 82940493 - 2⁸ = 82940237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82940497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (7221600).

Almost surely, 2^82940493 is an apocalyptic number.

It is an amenable number.

82940493 is a deficient number, since it is larger than the sum of its proper divisors (32605107).

82940493 is a wasteful number, since it uses less digits than its factorization.

82940493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 82940493 is about 9107.1671226567. The cubic root of 82940493 is about 436.1027957406.

The spelling of 82940493 in words is "eighty-two million, nine hundred forty thousand, four hundred ninety-three".