5090921 has 8 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 4468240.

The previous prime is 5090903. The next prime is 5090923. The reversal of 5090921 is 1290905.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5090921 - 2⁶ = 5090857 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5090923) 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 7 ways as a sum of consecutive naturals, for example, 7661 + ... + 8298.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^5090921 is an apocalyptic number.

It is an amenable number.

5090921 is a deficient number, since it is larger than the sum of its proper divisors (654679).

5090921 is a wasteful number, since it uses less digits than its factorization.

5090921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15999.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 5090921 is about 2256.3069383397. The cubic root of 5090921 is about 172.0278596480.

The spelling of 5090921 in words is "five million, ninety thousand, nine hundred twenty-one".