83620516 has 24 divisors (see below), whose sum is σ = 172637696. Its totient is φ = 34680960.

The previous prime is 83620513. The next prime is 83620519. The reversal of 83620516 is 61502638.

It is an interprime number because it is at equal distance from previous prime (83620513) and next prime (83620519).

It is a super-2 number, since 2×83620516² = 13984781392212512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (83620513) 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, 47301 + ... + 49036.

Almost surely, 2^83620516 is an apocalyptic number.

It is an amenable number.

83620516 is an abundant number, since it is smaller than the sum of its proper divisors (89017180).

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

83620516 is a wasteful number, since it uses less digits than its factorization.

83620516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96379 (or 96377 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 83620516 is about 9144.4254056775. The cubic root of 83620516 is about 437.2914114234.

The spelling of 83620516 in words is "eighty-three million, six hundred twenty thousand, five hundred sixteen".