90385926 has 32 divisors (see below), whose sum is σ = 191427840. Its totient is φ = 28371744.

The previous prime is 90385913. The next prime is 90385927. The reversal of 90385926 is 62958309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90385927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17431 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (5982120).

Almost surely, 2^90385926 is an apocalyptic number.

90385926 is an abundant number, since it is smaller than the sum of its proper divisors (101041914).

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

90385926 is a wasteful number, since it uses less digits than its factorization.

90385926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 90385926 is about 9507.1513083573. The cubic root of 90385926 is about 448.7801133311.

The spelling of 90385926 in words is "ninety million, three hundred eighty-five thousand, nine hundred twenty-six".