90927093 has 32 divisors (see below), whose sum is σ = 131765760. Its totient is φ = 55641600.

The previous prime is 90927091. The next prime is 90927139. The reversal of 90927093 is 39072909.

It is not a de Polignac number, because 90927093 - 2¹ = 90927091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90927091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150993 + ... + 151593.

It is an arithmetic number, because the mean of its divisors is an integer number (4117680).

Almost surely, 2^90927093 is an apocalyptic number.

It is an amenable number.

90927093 is a deficient number, since it is larger than the sum of its proper divisors (40838667).

90927093 is a wasteful number, since it uses less digits than its factorization.

90927093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 90927093 is about 9535.5698833368. The cubic root of 90927093 is about 449.6739910357.

The spelling of 90927093 in words is "ninety million, nine hundred twenty-seven thousand, ninety-three".