90948490 has 8 divisors (see below), whose sum is σ = 163707300. Its totient is φ = 36379392.

The previous prime is 90948469. The next prime is 90948491. The reversal of 90948490 is 9484909.

It can be written as a sum of positive squares in 2 ways, for example, as 83046769 + 7901721 = 9113^2 + 2811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90948491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4547415 + ... + 4547434.

Almost surely, 2^90948490 is an apocalyptic number.

90948490 is a deficient number, since it is larger than the sum of its proper divisors (72758810).

90948490 is a wasteful number, since it uses less digits than its factorization.

90948490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094856.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 90948490 is about 9536.6917744048. The cubic root of 90948490 is about 449.7092607572.

The spelling of 90948490 in words is "ninety million, nine hundred forty-eight thousand, four hundred ninety".