83861496 has 96 divisors (see below), whose sum is σ = 240084000. Its totient is φ = 26391552.

The previous prime is 83861443. The next prime is 83861513. The reversal of 83861496 is 69416838.

83861496 is a `hidden beast` number, since 83 + 86 + 1 + 496 = 666.

It is a super-2 number, since 2×83861496² = 14065501022716032, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147100 + ... + 147668.

It is an arithmetic number, because the mean of its divisors is an integer number (2500875).

Almost surely, 2^83861496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83861496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120042000).

83861496 is an abundant number, since it is smaller than the sum of its proper divisors (156222504).

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

83861496 is a wasteful number, since it uses less digits than its factorization.

83861496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 686 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 83861496 is about 9157.5922599775. The cubic root of 83861496 is about 437.7110748566.

The spelling of 83861496 in words is "eighty-three million, eight hundred sixty-one thousand, four hundred ninety-six".