83984537 has 8 divisors (see below), whose sum is σ = 103365696. Its totient is φ = 66449232.

The previous prime is 83984533. The next prime is 83984557. The reversal of 83984537 is 73548938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83984537 - 2² = 83984533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83984491 and 83984500.

It is not an unprimeable number, because it can be changed into a prime (83984531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461363 + ... + 461544.

It is an arithmetic number, because the mean of its divisors is an integer number (12920712).

Almost surely, 2^83984537 is an apocalyptic number.

It is an amenable number.

83984537 is a deficient number, since it is larger than the sum of its proper divisors (19381159).

83984537 is a wasteful number, since it uses less digits than its factorization.

83984537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922927.

The product of its digits is 725760, while the sum is 47.

The square root of 83984537 is about 9164.3077752769. The cubic root of 83984537 is about 437.9250391236.

The spelling of 83984537 in words is "eighty-three million, nine hundred eighty-four thousand, five hundred thirty-seven".