90246901 has 4 divisors (see below), whose sum is σ = 90266400. Its totient is φ = 90227404.

The previous prime is 90246887. The next prime is 90246943. The reversal of 90246901 is 10964209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10964209 = 431 ⋅25439.

It is a cyclic number.

It is not a de Polignac number, because 90246901 - 2¹¹ = 90244853 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 (90246971) 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, 1590 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (22566600).

Almost surely, 2^90246901 is an apocalyptic number.

It is an amenable number.

90246901 is a deficient number, since it is larger than the sum of its proper divisors (19499).

90246901 is a wasteful number, since it uses less digits than its factorization.

90246901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19498.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 90246901 is about 9499.8368933366. The cubic root of 90246901 is about 448.5499017110.

The spelling of 90246901 in words is "ninety million, two hundred forty-six thousand, nine hundred one".