90328607 has 4 divisors (see below), whose sum is σ = 90348600. Its totient is φ = 90308616.

The previous prime is 90328597. The next prime is 90328673. The reversal of 90328607 is 70682309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70682309 = 29 ⋅2437321.

It is a cyclic number.

It is not a de Polignac number, because 90328607 - 2²² = 86134303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90328307) 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, 353 + ... + 13445.

It is an arithmetic number, because the mean of its divisors is an integer number (22587150).

Almost surely, 2^90328607 is an apocalyptic number.

90328607 is a deficient number, since it is larger than the sum of its proper divisors (19993).

90328607 is a wasteful number, since it uses less digits than its factorization.

90328607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19992.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90328607 is about 9504.1363100494. The cubic root of 90328607 is about 448.6852273682.

The spelling of 90328607 in words is "ninety million, three hundred twenty-eight thousand, six hundred seven".