10621842 has 64 divisors (see below), whose sum is σ = 26901504. Its totient is φ = 2715840.

The previous prime is 10621823. The next prime is 10621843. The reversal of 10621842 is 24812601.

It is a super-2 number, since 2×10621842² = 225647054945928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38208 + ... + 38484.

It is an arithmetic number, because the mean of its divisors is an integer number (420336).

Almost surely, 2^10621842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10621842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13450752).

10621842 is an abundant number, since it is smaller than the sum of its proper divisors (16279662).

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

10621842 is a wasteful number, since it uses less digits than its factorization.

10621842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 10621842 is about 3259.1167515141. The cubic root of 10621842 is about 219.8197007624.

The spelling of 10621842 in words is "ten million, six hundred twenty-one thousand, eight hundred forty-two".