10049921 has 16 divisors (see below), whose sum is σ = 12272640. Its totient is φ = 8043840.

The previous prime is 10049911. The next prime is 10049929. The reversal of 10049921 is 12994001.

It is not a de Polignac number, because 10049921 - 2⁶ = 10049857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10049929) 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, 5495 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (767040).

Almost surely, 2^10049921 is an apocalyptic number.

It is an amenable number.

10049921 is a deficient number, since it is larger than the sum of its proper divisors (2222719).

10049921 is a wasteful number, since it uses less digits than its factorization.

10049921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 10049921 is about 3170.1610369191. The cubic root of 10049921 is about 215.8013792016.

The spelling of 10049921 in words is "ten million, forty-nine thousand, nine hundred twenty-one".