83454312 has 16 divisors (see below), whose sum is σ = 208635840. Its totient is φ = 27818096.

The previous prime is 83454307. The next prime is 83454313. The reversal of 83454312 is 21345438.

It is a self number, because there is not a number n which added to its sum of digits gives 83454312.

It is not an unprimeable number, because it can be changed into a prime (83454313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738608 + ... + 1738655.

It is an arithmetic number, because the mean of its divisors is an integer number (13039740).

Almost surely, 2^83454312 is an apocalyptic number.

It is an amenable number.

83454312 is an abundant number, since it is smaller than the sum of its proper divisors (125181528).

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

83454312 is a wasteful number, since it uses less digits than its factorization.

83454312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477272 (or 3477268 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 83454312 is about 9135.3331630543. Note that the first 3 decimals coincide. The cubic root of 83454312 is about 437.0014993656.

The spelling of 83454312 in words is "eighty-three million, four hundred fifty-four thousand, three hundred twelve".