90507214 has 12 divisors (see below), whose sum is σ = 157926024. Its totient is φ = 38788764.

The previous prime is 90507191. The next prime is 90507223. The reversal of 90507214 is 41270509.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461674 + ... + 461869.

It is an arithmetic number, because the mean of its divisors is an integer number (13160502).

Almost surely, 2^90507214 is an apocalyptic number.

90507214 is a deficient number, since it is larger than the sum of its proper divisors (67418810).

90507214 is a wasteful number, since it uses less digits than its factorization.

90507214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923559 (or 923552 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 90507214 is about 9513.5279470867. The cubic root of 90507214 is about 448.9807615066.

The spelling of 90507214 in words is "ninety million, five hundred seven thousand, two hundred fourteen".