83855493 has 60 divisors (see below), whose sum is σ = 139179040. Its totient is φ = 50166864.

The previous prime is 83855479. The next prime is 83855507. The reversal of 83855493 is 39455838.

83855493 = 69³ + 70³ + ... + 137³.

It is a happy number.

83855493 is a `hidden beast` number, since 8 + 3 + 8 + 554 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (83855479) and next prime (83855507).

It is not a de Polignac number, because 83855493 - 2⁴ = 83855477 is a prime.

It is a Duffinian number.

Its product of digits (518400) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83855393) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 814080 + ... + 814182.

Almost surely, 2^83855493 is an apocalyptic number.

It is an amenable number.

83855493 is a deficient number, since it is larger than the sum of its proper divisors (55323547).

83855493 is a wasteful number, since it uses less digits than its factorization.

83855493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 148 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 83855493 is about 9157.2644932862. The cubic root of 83855493 is about 437.7006304834.

It can be divided in two parts, 83855 and 493, that added together give a palindrome (84348).

The spelling of 83855493 in words is "eighty-three million, eight hundred fifty-five thousand, four hundred ninety-three".