84239732 has 6 divisors (see below), whose sum is σ = 147419538. Its totient is φ = 42119864.

The previous prime is 84239723. The next prime is 84239759. The reversal of 84239732 is 23793248.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82373776 + 1865956 = 9076^2 + 1366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10529963 + ... + 10529970.

It is an arithmetic number, because the mean of its divisors is an integer number (24569923).

Almost surely, 2^84239732 is an apocalyptic number.

It is an amenable number.

84239732 is a deficient number, since it is larger than the sum of its proper divisors (63179806).

84239732 is a wasteful number, since it uses less digits than its factorization.

84239732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21059937 (or 21059935 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 84239732 is about 9178.2205246987. The cubic root of 84239732 is about 438.3681495699.

The spelling of 84239732 in words is "eighty-four million, two hundred thirty-nine thousand, seven hundred thirty-two".