90415342 has 16 divisors (see below), whose sum is σ = 138375360. Its totient is φ = 44299008.

The previous prime is 90415279. The next prime is 90415343. The reversal of 90415342 is 24351409.

It is a self number, because there is not a number n which added to its sum of digits gives 90415342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90415343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19558 + ... + 23734.

It is an arithmetic number, because the mean of its divisors is an integer number (8648460).

Almost surely, 2^90415342 is an apocalyptic number.

90415342 is a deficient number, since it is larger than the sum of its proper divisors (47960018).

90415342 is a wasteful number, since it uses less digits than its factorization.

90415342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 90415342 is about 9508.6982284643. The cubic root of 90415342 is about 448.8287930483.

The spelling of 90415342 in words is "ninety million, four hundred fifteen thousand, three hundred forty-two".