84797493 has 16 divisors (see below), whose sum is σ = 127322112. Its totient is φ = 49734000.

The previous prime is 84797483. The next prime is 84797521. The reversal of 84797493 is 39479748.

It is a happy number.

It is not a de Polignac number, because 84797493 - 2⁴ = 84797477 is a prime.

It is a super-2 number, since 2×84797493² = 14381229638170098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84797413) 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, 40423 + ... + 42468.

It is an arithmetic number, because the mean of its divisors is an integer number (7957632).

Almost surely, 2^84797493 is an apocalyptic number.

It is an amenable number.

84797493 is a deficient number, since it is larger than the sum of its proper divisors (42524619).

84797493 is a wasteful number, since it uses less digits than its factorization.

84797493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82936.

The product of its digits is 1524096, while the sum is 51.

The square root of 84797493 is about 9208.5554241694. Note that the first 3 decimals coincide. The cubic root of 84797493 is about 439.3335174818. Note that the first 3 decimals are identical.

The spelling of 84797493 in words is "eighty-four million, seven hundred ninety-seven thousand, four hundred ninety-three".