90527238 has 24 divisors (see below), whose sum is σ = 197882568. Its totient is φ = 29908032.

The previous prime is 90527237. The next prime is 90527263. The reversal of 90527238 is 83272509.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90527237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20220 + ... + 24287.

It is an arithmetic number, because the mean of its divisors is an integer number (8245107).

Almost surely, 2^90527238 is an apocalyptic number.

90527238 is an abundant number, since it is smaller than the sum of its proper divisors (107355330).

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

90527238 is a wasteful number, since it uses less digits than its factorization.

90527238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44628 (or 44625 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 90527238 is about 9514.5802850152. The cubic root of 90527238 is about 449.0138702038.

It can be divided in two parts, 9052 and 7238, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 90527238 in words is "ninety million, five hundred twenty-seven thousand, two hundred thirty-eight".