82984131 has 6 divisors (see below), whose sum is σ = 119865980. Its totient is φ = 55322748.

The previous prime is 82984129. The next prime is 82984133. The reversal of 82984131 is 13148928.

It is an interprime number because it is at equal distance from previous prime (82984129) and next prime (82984133).

It is not a de Polignac number, because 82984131 - 2¹ = 82984129 is a prime.

It is a super-2 number, since 2×82984131² = 13772731995650322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82984133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4610221 + ... + 4610238.

Almost surely, 2^82984131 is an apocalyptic number.

82984131 is a deficient number, since it is larger than the sum of its proper divisors (36881849).

82984131 is a wasteful number, since it uses less digits than its factorization.

82984131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220465 (or 9220462 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 82984131 is about 9109.5626129908. The cubic root of 82984131 is about 436.1792654943.

The spelling of 82984131 in words is "eighty-two million, nine hundred eighty-four thousand, one hundred thirty-one".