90961602 has 8 divisors (see below), whose sum is σ = 181923216. Its totient is φ = 30320532.

The previous prime is 90961601. The next prime is 90961613. The reversal of 90961602 is 20616909.

It is a happy number.

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

90961602 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90961601) 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, 7580128 + ... + 7580139.

It is an arithmetic number, because the mean of its divisors is an integer number (22740402).

Almost surely, 2^90961602 is an apocalyptic number.

90961602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90961602 is a wasteful number, since it uses less digits than its factorization.

90961602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160272.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 90961602 is about 9537.3791997592. The cubic root of 90961602 is about 449.7308711746.

The spelling of 90961602 in words is "ninety million, nine hundred sixty-one thousand, six hundred two".