90606298 has 4 divisors (see below), whose sum is σ = 135909450. Its totient is φ = 45303148.

The previous prime is 90606293. The next prime is 90606331. The reversal of 90606298 is 89260609.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89260609 = 6449 ⋅13841.

It can be written as a sum of positive squares in only one way, i.e., 82500889 + 8105409 = 9083^2 + 2847^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90606298.

It is not an unprimeable number, because it can be changed into a prime (90606293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22651573 + ... + 22651576.

Almost surely, 2^90606298 is an apocalyptic number.

90606298 is a deficient number, since it is larger than the sum of its proper divisors (45303152).

90606298 is a wasteful number, since it uses less digits than its factorization.

90606298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45303151.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 90606298 is about 9518.7340544843. The cubic root of 90606298 is about 449.1445443459.

The spelling of 90606298 in words is "ninety million, six hundred six thousand, two hundred ninety-eight".