90201338 has 16 divisors (see below), whose sum is σ = 139219080. Its totient is φ = 43799616.

The previous prime is 90201313. The next prime is 90201343. The reversal of 90201338 is 83310209.

It can be written as a sum of positive squares in 4 ways, for example, as 52954729 + 37246609 = 7277^2 + 6103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62408 + ... + 63836.

Almost surely, 2^90201338 is an apocalyptic number.

90201338 is a deficient number, since it is larger than the sum of its proper divisors (49017742).

90201338 is a wasteful number, since it uses less digits than its factorization.

90201338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90201338 is about 9497.4384967737. The cubic root of 90201338 is about 448.4744024628.

The spelling of 90201338 in words is "ninety million, two hundred one thousand, three hundred thirty-eight".