84032456 has 8 divisors (see below), whose sum is σ = 157560870. Its totient is φ = 42016224.

The previous prime is 84032453. The next prime is 84032467. The reversal of 84032456 is 65423048.

It can be written as a sum of positive squares in only one way, i.e., 84015556 + 16900 = 9166^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×84032456² = 14122907322783872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84032453) 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 as a sum of consecutive naturals, namely, 5252021 + ... + 5252036.

Almost surely, 2^84032456 is an apocalyptic number.

It is an amenable number.

84032456 is a deficient number, since it is larger than the sum of its proper divisors (73528414).

84032456 is a wasteful number, since it uses less digits than its factorization.

84032456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504063 (or 10504059 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 84032456 is about 9166.9218388726. The cubic root of 84032456 is about 438.0083121516.

The spelling of 84032456 in words is "eighty-four million, thirty-two thousand, four hundred fifty-six".