90419192 has 16 divisors (see below), whose sum is σ = 179508960. Its totient is φ = 42550144.

The previous prime is 90419191. The next prime is 90419237. The reversal of 90419192 is 29191409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90419191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332288 + ... + 332559.

It is an arithmetic number, because the mean of its divisors is an integer number (11219310).

Almost surely, 2^90419192 is an apocalyptic number.

It is an amenable number.

90419192 is a deficient number, since it is larger than the sum of its proper divisors (89089768).

90419192 is a wasteful number, since it uses less digits than its factorization.

90419192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664870 (or 664866 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 90419192 is about 9508.9006725278. The cubic root of 90419192 is about 448.8351635244.

The spelling of 90419192 in words is "ninety million, four hundred nineteen thousand, one hundred ninety-two".