90827388 has 18 divisors (see below), whose sum is σ = 229591544. Its totient is φ = 30275784.

The previous prime is 90827383. The next prime is 90827461. The reversal of 90827388 is 88372809.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×90827388² = 16499228821805088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90827383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261456 + ... + 1261527.

Almost surely, 2^90827388 is an apocalyptic number.

It is an amenable number.

90827388 is an abundant number, since it is smaller than the sum of its proper divisors (138764156).

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

90827388 is a wasteful number, since it uses less digits than its factorization.

90827388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522993 (or 2522988 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 90827388 is about 9530.3403926617. The cubic root of 90827388 is about 449.5095694042.

The spelling of 90827388 in words is "ninety million, eight hundred twenty-seven thousand, three hundred eighty-eight".