90349659 has 6 divisors (see below), whose sum is σ = 130505076. Its totient is φ = 60233100.

The previous prime is 90349627. The next prime is 90349661. The reversal of 90349659 is 95694309.

It is a happy number.

It is not a de Polignac number, because 90349659 - 2⁵ = 90349627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90349619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5019417 + ... + 5019434.

It is an arithmetic number, because the mean of its divisors is an integer number (21750846).

Almost surely, 2^90349659 is an apocalyptic number.

90349659 is a deficient number, since it is larger than the sum of its proper divisors (40155417).

90349659 is a wasteful number, since it uses less digits than its factorization.

90349659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038857 (or 10038854 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 90349659 is about 9505.2437633130. The cubic root of 90349659 is about 448.7200815450.

The spelling of 90349659 in words is "ninety million, three hundred forty-nine thousand, six hundred fifty-nine".