90306927 has 8 divisors (see below), whose sum is σ = 133788080. Its totient is φ = 60204600.

The previous prime is 90306919. The next prime is 90306929. The reversal of 90306927 is 72960309.

It is not a de Polignac number, because 90306927 - 2³ = 90306919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90306891 and 90306900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90306929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672324 + ... + 1672377.

It is an arithmetic number, because the mean of its divisors is an integer number (16723510).

Almost surely, 2^90306927 is an apocalyptic number.

90306927 is a deficient number, since it is larger than the sum of its proper divisors (43481153).

90306927 is a wasteful number, since it uses less digits than its factorization.

90306927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344710 (or 3344704 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90306927 is about 9502.9956855720. The cubic root of 90306927 is about 448.6493277996.

The spelling of 90306927 in words is "ninety million, three hundred six thousand, nine hundred twenty-seven".