84598881 has 4 divisors (see below), whose sum is σ = 112798512. Its totient is φ = 56399252.

The previous prime is 84598879. The next prime is 84598889. The reversal of 84598881 is 18889548.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84598881 - 2¹ = 84598879 is a prime.

It is a super-2 number, since 2×84598881² = 14313941332904322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84598889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14099811 + ... + 14099816.

It is an arithmetic number, because the mean of its divisors is an integer number (28199628).

Almost surely, 2^84598881 is an apocalyptic number.

It is an amenable number.

84598881 is a deficient number, since it is larger than the sum of its proper divisors (28199631).

84598881 is a wasteful number, since it uses less digits than its factorization.

84598881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28199630.

The product of its digits is 737280, while the sum is 51.

The square root of 84598881 is about 9197.7650002596. The cubic root of 84598881 is about 438.9902482081.

It can be divided in two parts, 84 and 598881, that added together give a triangular number (598965 = T₁₀₉₄).

The spelling of 84598881 in words is "eighty-four million, five hundred ninety-eight thousand, eight hundred eighty-one".