84934091 has 16 divisors (see below), whose sum is σ = 99584640. Its totient is φ = 71575680.

The previous prime is 84934081. The next prime is 84934103. The reversal of 84934091 is 19043948.

It is not a de Polignac number, because 84934091 - 2¹⁰ = 84933067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84934051) 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, 9140 + ... + 15918.

It is an arithmetic number, because the mean of its divisors is an integer number (6224040).

Almost surely, 2^84934091 is an apocalyptic number.

84934091 is a deficient number, since it is larger than the sum of its proper divisors (14650549).

84934091 is a wasteful number, since it uses less digits than its factorization.

84934091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 84934091 is about 9215.9693467372. The cubic root of 84934091 is about 439.5692944392.

The spelling of 84934091 in words is "eighty-four million, nine hundred thirty-four thousand, ninety-one".