90306368 has 14 divisors (see below), whose sum is σ = 179201826. Its totient is φ = 45153152.

The previous prime is 90306347. The next prime is 90306443. The reversal of 90306368 is 86360309.

It can be written as a sum of positive squares in only one way, i.e., 88209664 + 2096704 = 9392^2 + 1448^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705455 + ... + 705582.

Almost surely, 2^90306368 is an apocalyptic number.

It is an amenable number.

90306368 is a deficient number, since it is larger than the sum of its proper divisors (88895458).

90306368 is a wasteful number, since it uses less digits than its factorization.

90306368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411049 (or 1411039 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 90306368 is about 9502.9662737484. The cubic root of 90306368 is about 448.6484020844.

The spelling of 90306368 in words is "ninety million, three hundred six thousand, three hundred sixty-eight".