21410010 has 48 divisors (see below), whose sum is σ = 58091904. Its totient is φ = 5460576.

The previous prime is 21410009. The next prime is 21410023. The reversal of 21410010 is 1001412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 21409974 and 21410001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3102 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (1210248).

Almost surely, 2^21410010 is an apocalyptic number.

21410010 is an abundant number, since it is smaller than the sum of its proper divisors (36681894).

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

21410010 is a wasteful number, since it uses less digits than its factorization.

21410010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379 (or 10376 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 21410010 is about 4627.0952010954. The cubic root of 21410010 is about 277.6763913846.

Adding to 21410010 its reverse (1001412), we get a palindrome (22411422).

The spelling of 21410010 in words is "twenty-one million, four hundred ten thousand, ten".