83853090 has 32 divisors (see below), whose sum is σ = 223608960. Its totient is φ = 22360752.

The previous prime is 83853089. The next prime is 83853097. The reversal of 83853090 is 9035838.

83853090 is a `hidden beast` number, since 8 + 38 + 530 + 90 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83853097) 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, 155014 + ... + 155553.

It is an arithmetic number, because the mean of its divisors is an integer number (6987780).

Almost surely, 2^83853090 is an apocalyptic number.

83853090 is an abundant number, since it is smaller than the sum of its proper divisors (139755870).

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

83853090 is a wasteful number, since it uses less digits than its factorization.

83853090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310583 (or 310577 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 83853090 is about 9157.1332850407. The cubic root of 83853090 is about 437.6964494627.

The spelling of 83853090 in words is "eighty-three million, eight hundred fifty-three thousand, ninety".