84257032 has 16 divisors (see below), whose sum is σ = 167275260. Its totient is φ = 39650304.

The previous prime is 84257021. The next prime is 84257057. The reversal of 84257032 is 23075248.

It can be written as a sum of positive squares in 2 ways, for example, as 81613156 + 2643876 = 9034^2 + 1626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84256985 and 84257003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309633 + ... + 309904.

Almost surely, 2^84257032 is an apocalyptic number.

It is an amenable number.

84257032 is a deficient number, since it is larger than the sum of its proper divisors (83018228).

84257032 is a wasteful number, since it uses less digits than its factorization.

84257032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619560 (or 619556 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 84257032 is about 9179.1629247988. The cubic root of 84257032 is about 438.3981561940.

The spelling of 84257032 in words is "eighty-four million, two hundred fifty-seven thousand, thirty-two".