84615397 has 8 divisors (see below), whose sum is σ = 85320000. Its totient is φ = 83913984.

The previous prime is 84615383. The next prime is 84615407. The reversal of 84615397 is 79351648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84615397 - 2²³ = 76226789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84615317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88878 + ... + 89824.

It is an arithmetic number, because the mean of its divisors is an integer number (10665000).

Almost surely, 2^84615397 is an apocalyptic number.

It is an amenable number.

84615397 is a deficient number, since it is larger than the sum of its proper divisors (704603).

84615397 is a wasteful number, since it uses less digits than its factorization.

84615397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its digits is 181440, while the sum is 43.

The square root of 84615397 is about 9198.6627832528. The cubic root of 84615397 is about 439.0188139570.

The spelling of 84615397 in words is "eighty-four million, six hundred fifteen thousand, three hundred ninety-seven".