90438346 has 16 divisors (see below), whose sum is σ = 146124288. Its totient is φ = 41857200.

The previous prime is 90438343. The next prime is 90438379. The reversal of 90438346 is 64383409.

It is not an unprimeable number, because it can be changed into a prime (90438343) 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, 30285 + ... + 33136.

It is an arithmetic number, because the mean of its divisors is an integer number (9132768).

Almost surely, 2^90438346 is an apocalyptic number.

90438346 is a deficient number, since it is larger than the sum of its proper divisors (55685942).

90438346 is a wasteful number, since it uses less digits than its factorization.

90438346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63477.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 90438346 is about 9509.9077808357. The cubic root of 90438346 is about 448.8668543692.

The spelling of 90438346 in words is "ninety million, four hundred thirty-eight thousand, three hundred forty-six".