90648601 has 16 divisors (see below), whose sum is σ = 98338240. Its totient is φ = 83280960.

The previous prime is 90648599. The next prime is 90648617. The reversal of 90648601 is 10684609.

It is a cyclic number.

It is not a de Polignac number, because 90648601 - 2¹ = 90648599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90648661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147571 + ... + 148183.

It is an arithmetic number, because the mean of its divisors is an integer number (6146140).

Almost surely, 2^90648601 is an apocalyptic number.

It is an amenable number.

90648601 is a deficient number, since it is larger than the sum of its proper divisors (7689639).

90648601 is a wasteful number, since it uses less digits than its factorization.

90648601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 90648601 is about 9520.9558868845. The cubic root of 90648601 is about 449.2144335473.

The spelling of 90648601 in words is "ninety million, six hundred forty-eight thousand, six hundred one".