10421994 has 32 divisors (see below), whose sum is σ = 23938560. Its totient is φ = 2991600.

The previous prime is 10421981. The next prime is 10422017. The reversal of 10421994 is 49912401.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2902 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (748080).

Almost surely, 2^10421994 is an apocalyptic number.

10421994 is an abundant number, since it is smaller than the sum of its proper divisors (13516566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421994 is a wasteful number, since it uses less digits than its factorization.

10421994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 10421994 is about 3228.3113232772. The cubic root of 10421994 is about 218.4323406736.

The spelling of 10421994 in words is "ten million, four hundred twenty-one thousand, nine hundred ninety-four".