83869620 has 48 divisors (see below), whose sum is σ = 239839488. Its totient is φ = 21888640.

The previous prime is 83869613. The next prime is 83869697. The reversal of 83869620 is 2696838.

It is a super-2 number, since 2×83869620² = 14068226317888800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12051 + ... + 17690.

It is an arithmetic number, because the mean of its divisors is an integer number (4996656).

Almost surely, 2^83869620 is an apocalyptic number.

It is an amenable number.

83869620 is an abundant number, since it is smaller than the sum of its proper divisors (155969868).

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

83869620 is a wasteful number, since it uses less digits than its factorization.

83869620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29800 (or 29798 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 83869620 is about 9158.0358156102. The cubic root of 83869620 is about 437.7252086769.

The spelling of 83869620 in words is "eighty-three million, eight hundred sixty-nine thousand, six hundred twenty".