84847434 has 32 divisors (see below), whose sum is σ = 200196096. Its totient is φ = 23459760.

The previous prime is 84847421. The next prime is 84847447. The reversal of 84847434 is 43474848.

It is an interprime number because it is at equal distance from previous prime (84847421) and next prime (84847447).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31282 + ... + 33885.

It is an arithmetic number, because the mean of its divisors is an integer number (6256128).

Almost surely, 2^84847434 is an apocalyptic number.

84847434 is an abundant number, since it is smaller than the sum of its proper divisors (115348662).

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

84847434 is a wasteful number, since it uses less digits than its factorization.

84847434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65210.

The product of its digits is 344064, while the sum is 42.

The square root of 84847434 is about 9211.2666881380. The cubic root of 84847434 is about 439.4197482124.

The spelling of 84847434 in words is "eighty-four million, eight hundred forty-seven thousand, four hundred thirty-four".