84012432 has 40 divisors (see below), whose sum is σ = 248037696. Its totient is φ = 24003456.

The previous prime is 84012421. The next prime is 84012437. The reversal of 84012432 is 23421048.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (84012437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124683 + ... + 125354.

Almost surely, 2^84012432 is an apocalyptic number.

It is an amenable number.

84012432 is an abundant number, since it is smaller than the sum of its proper divisors (164025264).

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

84012432 is a wasteful number, since it uses less digits than its factorization.

84012432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250055 (or 250049 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 84012432 is about 9165.8295860222. The cubic root of 84012432 is about 437.9735185508.

The spelling of 84012432 in words is "eighty-four million, twelve thousand, four hundred thirty-two".