84259712 has 16 divisors (see below), whose sum is σ = 167861400. Its totient is φ = 42129792.

The previous prime is 84259709. The next prime is 84259717. The reversal of 84259712 is 21795248.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84259717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329012 + ... + 329267.

Almost surely, 2^84259712 is an apocalyptic number.

It is an amenable number.

84259712 is a deficient number, since it is larger than the sum of its proper divisors (83601688).

84259712 is an equidigital number, since it uses as much as digits as its factorization.

84259712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658293 (or 658281 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 84259712 is about 9179.3089064482. The cubic root of 84259712 is about 438.4028042515.

The spelling of 84259712 in words is "eighty-four million, two hundred fifty-nine thousand, seven hundred twelve".