90349458 has 32 divisors (see below), whose sum is σ = 192144960. Its totient is φ = 28224000.

The previous prime is 90349447. The next prime is 90349487. The reversal of 90349458 is 85494309.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23838 + ... + 27366.

It is an arithmetic number, because the mean of its divisors is an integer number (6004530).

Almost surely, 2^90349458 is an apocalyptic number.

90349458 is an abundant number, since it is smaller than the sum of its proper divisors (101795502).

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

90349458 is a wasteful number, since it uses less digits than its factorization.

90349458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 90349458 is about 9505.2331901958. The cubic root of 90349458 is about 448.7197487903.

The spelling of 90349458 in words is "ninety million, three hundred forty-nine thousand, four hundred fifty-eight".