83901276 has 18 divisors (see below), whose sum is σ = 212083872. Its totient is φ = 27967080.

The previous prime is 83901227. The next prime is 83901277. The reversal of 83901276 is 67210938.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×83901276² = 14078848228856352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2330591 = 83901276 / (8 + 3 + 9 + 0 + 1 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 83901276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83901277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1165260 + ... + 1165331.

Almost surely, 2^83901276 is an apocalyptic number.

It is an amenable number.

83901276 is an abundant number, since it is smaller than the sum of its proper divisors (128182596).

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

83901276 is a wasteful number, since it uses less digits than its factorization.

83901276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330601 (or 2330596 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 83901276 is about 9159.7639707582. The cubic root of 83901276 is about 437.7802738531.

The spelling of 83901276 in words is "eighty-three million, nine hundred one thousand, two hundred seventy-six".