90272338 has 8 divisors (see below), whose sum is σ = 145824588. Its totient is φ = 41664144.

The previous prime is 90272333. The next prime is 90272339. The reversal of 90272338 is 83327209.

It can be written as a sum of positive squares in 2 ways, for example, as 75116889 + 15155449 = 8667^2 + 3893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90272333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735981 + ... + 1736032.

Almost surely, 2^90272338 is an apocalyptic number.

90272338 is a deficient number, since it is larger than the sum of its proper divisors (55552250).

90272338 is a wasteful number, since it uses less digits than its factorization.

90272338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472028.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 90272338 is about 9501.1756114704. The cubic root of 90272338 is about 448.5920405246.

The spelling of 90272338 in words is "ninety million, two hundred seventy-two thousand, three hundred thirty-eight".