90660435 has 32 divisors (see below), whose sum is σ = 147569472. Its totient is φ = 47523840.

The previous prime is 90660421. The next prime is 90660463. The reversal of 90660435 is 53406609.

It is a happy number.

It is not a de Polignac number, because 90660435 - 2¹⁶ = 90594899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90660396 and 90660405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322495 + ... + 322775.

It is an arithmetic number, because the mean of its divisors is an integer number (4611546).

Almost surely, 2^90660435 is an apocalyptic number.

90660435 is a deficient number, since it is larger than the sum of its proper divisors (56909037).

90660435 is a wasteful number, since it uses less digits than its factorization.

90660435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 90660435 is about 9521.5773378154. The cubic root of 90660435 is about 449.2339807227.

The spelling of 90660435 in words is "ninety million, six hundred sixty thousand, four hundred thirty-five".