84814731 has 12 divisors (see below), whose sum is σ = 127837008. Its totient is φ = 54084624.

The previous prime is 84814703. The next prime is 84814747. The reversal of 84814731 is 13741848.

It is not a de Polignac number, because 84814731 - 2⁵ = 84814699 is a prime.

It is a super-2 number, since 2×84814731² = 14387077189204722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84814231) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 204660 + ... + 205073.

It is an arithmetic number, because the mean of its divisors is an integer number (10653084).

Almost surely, 2^84814731 is an apocalyptic number.

84814731 is a deficient number, since it is larger than the sum of its proper divisors (43022277).

84814731 is a wasteful number, since it uses less digits than its factorization.

84814731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409762 (or 409759 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 84814731 is about 9209.4913540325. The cubic root of 84814731 is about 439.3632853354.

The spelling of 84814731 in words is "eighty-four million, eight hundred fourteen thousand, seven hundred thirty-one".