83861652 has 24 divisors (see below), whose sum is σ = 223631296. Its totient is φ = 23960448.

The previous prime is 83861651. The next prime is 83861671. The reversal of 83861652 is 25616838.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83861652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83861651) 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, 499093 + ... + 499260.

Almost surely, 2^83861652 is an apocalyptic number.

It is an amenable number.

83861652 is an abundant number, since it is smaller than the sum of its proper divisors (139769644).

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

83861652 is a wasteful number, since it uses less digits than its factorization.

83861652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998367 (or 998365 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 83861652 is about 9157.6007774963. The cubic root of 83861652 is about 437.7113462680.

The spelling of 83861652 in words is "eighty-three million, eight hundred sixty-one thousand, six hundred fifty-two".