84734897 has 16 divisors (see below), whose sum is σ = 96613440. Its totient is φ = 73749312.

The previous prime is 84734887. The next prime is 84734929. The reversal of 84734897 is 79843748.

It is not a de Polignac number, because 84734897 - 2²⁰ = 83686321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84734827) 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, 13598 + ... + 18824.

It is an arithmetic number, because the mean of its divisors is an integer number (6038340).

Almost surely, 2^84734897 is an apocalyptic number.

It is an amenable number.

84734897 is a deficient number, since it is larger than the sum of its proper divisors (11878543).

84734897 is a wasteful number, since it uses less digits than its factorization.

84734897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its digits is 1354752, while the sum is 50.

The square root of 84734897 is about 9205.1560008508. The cubic root of 84734897 is about 439.2253881435.

The spelling of 84734897 in words is "eighty-four million, seven hundred thirty-four thousand, eight hundred ninety-seven".