84039272 has 16 divisors (see below), whose sum is σ = 159135300. Its totient is φ = 41603200.

The previous prime is 84039269. The next prime is 84039281. The reversal of 84039272 is 27293048.

It can be written as a sum of positive squares in 2 ways, for example, as 84015556 + 23716 = 9166^2 + 154^2 .

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, 51197 + ... + 52812.

Almost surely, 2^84039272 is an apocalyptic number.

It is an amenable number.

84039272 is a deficient number, since it is larger than the sum of its proper divisors (75096028).

84039272 is a wasteful number, since it uses less digits than its factorization.

84039272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104116 (or 104112 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 84039272 is about 9167.2936028034. The cubic root of 84039272 is about 438.0201543376.

The spelling of 84039272 in words is "eighty-four million, thirty-nine thousand, two hundred seventy-two".