84891092 has 24 divisors (see below), whose sum is σ = 174532512. Its totient is φ = 35618400.

The previous prime is 84891089. The next prime is 84891119. The reversal of 84891092 is 29019848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73634 + ... + 74777.

It is an arithmetic number, because the mean of its divisors is an integer number (7272188).

Almost surely, 2^84891092 is an apocalyptic number.

It is an amenable number.

84891092 is an abundant number, since it is smaller than the sum of its proper divisors (89641420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84891092 is a wasteful number, since it uses less digits than its factorization.

84891092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148439 (or 148437 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 84891092 is about 9213.6361985917. The cubic root of 84891092 is about 439.4951026732.

The spelling of 84891092 in words is "eighty-four million, eight hundred ninety-one thousand, ninety-two".