90849255 has 16 divisors (see below), whose sum is σ = 166124544. Its totient is φ = 41531040.

The previous prime is 90849247. The next prime is 90849329. The reversal of 90849255 is 55294809.

It is not a de Polignac number, because 90849255 - 2³ = 90849247 is a prime.

It is a congruent number.

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, 432511 + ... + 432720.

It is an arithmetic number, because the mean of its divisors is an integer number (10382784).

Almost surely, 2^90849255 is an apocalyptic number.

90849255 is a deficient number, since it is larger than the sum of its proper divisors (75275289).

90849255 is a wasteful number, since it uses less digits than its factorization.

90849255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865246.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 90849255 is about 9531.4875544167. The cubic root of 90849255 is about 449.5456401579.

The spelling of 90849255 in words is "ninety million, eight hundred forty-nine thousand, two hundred fifty-five".