83857452 has 48 divisors (see below), whose sum is σ = 224609280. Its totient is φ = 23853312.

The previous prime is 83857451. The next prime is 83857453. The reversal of 83857452 is 25475838.

It is an interprime number because it is at equal distance from previous prime (83857451) and next prime (83857453).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (83857451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17988 + ... + 22164.

It is an arithmetic number, because the mean of its divisors is an integer number (4679360).

Almost surely, 2^83857452 is an apocalyptic number.

It is an amenable number.

83857452 is an abundant number, since it is smaller than the sum of its proper divisors (140751828).

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

83857452 is a wasteful number, since it uses less digits than its factorization.

83857452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4428 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 83857452 is about 9157.3714569193. The cubic root of 83857452 is about 437.7040389219.

The spelling of 83857452 in words is "eighty-three million, eight hundred fifty-seven thousand, four hundred fifty-two".