84481397 has 32 divisors (see below), whose sum is σ = 116546304. Its totient is φ = 59097600.

The previous prime is 84481387. The next prime is 84481421. The reversal of 84481397 is 79318448.

It is a cyclic number.

It is not a de Polignac number, because 84481397 - 2⁸ = 84481141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84481307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35897 + ... + 38177.

It is an arithmetic number, because the mean of its divisors is an integer number (3642072).

Almost surely, 2^84481397 is an apocalyptic number.

It is an amenable number.

84481397 is a deficient number, since it is larger than the sum of its proper divisors (32064907).

84481397 is a wasteful number, since it uses less digits than its factorization.

84481397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its digits is 193536, while the sum is 44.

The square root of 84481397 is about 9191.3762299234. The cubic root of 84481397 is about 438.7869428286.

The spelling of 84481397 in words is "eighty-four million, four hundred eighty-one thousand, three hundred ninety-seven".