83865732 has 12 divisors (see below), whose sum is σ = 195686736. Its totient is φ = 27955240.

The previous prime is 83865721. The next prime is 83865737. The reversal of 83865732 is 23756838.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×83865732² = 14066922007791648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83865737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3494394 + ... + 3494417.

It is an arithmetic number, because the mean of its divisors is an integer number (16307228).

Almost surely, 2^83865732 is an apocalyptic number.

It is an amenable number.

83865732 is an abundant number, since it is smaller than the sum of its proper divisors (111821004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83865732 is a wasteful number, since it uses less digits than its factorization.

83865732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988818 (or 6988816 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 83865732 is about 9157.8235405581. The cubic root of 83865732 is about 437.7184445991.

The spelling of 83865732 in words is "eighty-three million, eight hundred sixty-five thousand, seven hundred thirty-two".