84092281 has 16 divisors (see below), whose sum is σ = 105616000. Its totient is φ = 66531024.

The previous prime is 84092249. The next prime is 84092293. The reversal of 84092281 is 18229048.

It is not a de Polignac number, because 84092281 - 2⁵ = 84092249 is a prime.

It is a super-2 number, since 2×84092281² = 14143023447565922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84093281) 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, 4971 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (6601000).

Almost surely, 2^84092281 is an apocalyptic number.

It is an amenable number.

84092281 is a deficient number, since it is larger than the sum of its proper divisors (21523719).

84092281 is a wasteful number, since it uses less digits than its factorization.

84092281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893 (or 18879 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 84092281 is about 9170.1843492920. The cubic root of 84092281 is about 438.1122308538.

The spelling of 84092281 in words is "eighty-four million, ninety-two thousand, two hundred eighty-one".