10421859 has 24 divisors (see below), whose sum is σ = 16693248. Its totient is φ = 5760720.

The previous prime is 10421837. The next prime is 10421863. The reversal of 10421859 is 95812401.

It is a happy number.

10421859 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10421859 - 2¹¹ = 10419811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3414 + ... + 5700.

It is an arithmetic number, because the mean of its divisors is an integer number (695552).

Almost surely, 2^10421859 is an apocalyptic number.

10421859 is a deficient number, since it is larger than the sum of its proper divisors (6271389).

10421859 is a wasteful number, since it uses less digits than its factorization.

10421859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 10421859 is about 3228.2904144454. The cubic root of 10421859 is about 218.4313975242.

The spelling of 10421859 in words is "ten million, four hundred twenty-one thousand, eight hundred fifty-nine".