84312232 has 8 divisors (see below), whose sum is σ = 158085450. Its totient is φ = 42156112.

The previous prime is 84312223. The next prime is 84312259. The reversal of 84312232 is 23221348.

It can be written as a sum of positive squares in only one way, i.e., 55860676 + 28451556 = 7474^2 + 5334^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 84312197 and 84312206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5269507 + ... + 5269522.

Almost surely, 2^84312232 is an apocalyptic number.

It is an amenable number.

84312232 is a deficient number, since it is larger than the sum of its proper divisors (73773218).

84312232 is a wasteful number, since it uses less digits than its factorization.

84312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539035 (or 10539031 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 84312232 is about 9182.1692426136. The cubic root of 84312232 is about 438.4938724204.

The spelling of 84312232 in words is "eighty-four million, three hundred twelve thousand, two hundred thirty-two".