83620514 has 16 divisors (see below), whose sum is σ = 129972600. Its totient is φ = 40301184.

The previous prime is 83620513. The next prime is 83620519. The reversal of 83620514 is 41502638.

It can be written as a sum of positive squares in 4 ways, for example, as 61105489 + 22515025 = 7817^2 + 4745^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 64844 + ... + 66120.

Almost surely, 2^83620514 is an apocalyptic number.

83620514 is a deficient number, since it is larger than the sum of its proper divisors (46352086).

83620514 is a wasteful number, since it uses less digits than its factorization.

83620514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 83620514 is about 9144.4252963213. The cubic root of 83620514 is about 437.2914079370.

The spelling of 83620514 in words is "eighty-three million, six hundred twenty thousand, five hundred fourteen".