83190412 has 6 divisors (see below), whose sum is σ = 145583228. Its totient is φ = 41595204.

The previous prime is 83190407. The next prime is 83190427. The reversal of 83190412 is 21409138.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10398798 + ... + 10398805.

Almost surely, 2^83190412 is an apocalyptic number.

It is an amenable number.

83190412 is a deficient number, since it is larger than the sum of its proper divisors (62392816).

83190412 is a wasteful number, since it uses less digits than its factorization.

83190412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20797607 (or 20797605 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 83190412 is about 9120.8778086322. The cubic root of 83190412 is about 436.5403829088.

The spelling of 83190412 in words is "eighty-three million, one hundred ninety thousand, four hundred twelve".