90338841 has 32 divisors (see below), whose sum is σ = 137710080. Its totient is φ = 58503168.

The previous prime is 90338839. The next prime is 90338869. The reversal of 90338841 is 14883309.

It is not a de Polignac number, because 90338841 - 2¹ = 90338839 is a prime.

It is a super-2 number, since 2×90338841² = 16322212386446562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90338796 and 90338805.

It is not an unprimeable number, because it can be changed into a prime (90338891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325995 + ... + 326271.

It is an arithmetic number, because the mean of its divisors is an integer number (4303440).

Almost surely, 2^90338841 is an apocalyptic number.

It is an amenable number.

90338841 is a deficient number, since it is larger than the sum of its proper divisors (47371239).

90338841 is a wasteful number, since it uses less digits than its factorization.

90338841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 90338841 is about 9504.6746919608. The cubic root of 90338841 is about 448.7021716910.

The spelling of 90338841 in words is "ninety million, three hundred thirty-eight thousand, eight hundred forty-one".