84274089 has 16 divisors (see below), whose sum is σ = 117633024. Its totient is φ = 53600400.

The previous prime is 84274079. The next prime is 84274103. The reversal of 84274089 is 98047248.

It is a de Polignac number, because none of the positive numbers 2^k-84274089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84274089.

It is not an unprimeable number, because it can be changed into a prime (84274079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (7352064).

Almost surely, 2^84274089 is an apocalyptic number.

It is an amenable number.

84274089 is a deficient number, since it is larger than the sum of its proper divisors (33358935).

84274089 is a wasteful number, since it uses less digits than its factorization.

84274089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 84274089 is about 9180.0919930031. The cubic root of 84274089 is about 438.4277373167.

The spelling of 84274089 in words is "eighty-four million, two hundred seventy-four thousand, eighty-nine".