10418821 has 24 divisors (see below), whose sum is σ = 13205760. Its totient is φ = 8187480.

The previous prime is 10418809. The next prime is 10418827. The reversal of 10418821 is 12881401.

It is not a de Polignac number, because 10418821 - 2⁵ = 10418789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10418827) 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, 336076 + ... + 336106.

It is an arithmetic number, because the mean of its divisors is an integer number (550240).

Almost surely, 2^10418821 is an apocalyptic number.

It is an amenable number.

10418821 is a deficient number, since it is larger than the sum of its proper divisors (2786939).

10418821 is an frugal number, since it uses more digits than its factorization.

10418821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 10418821 is about 3227.8198524701. The cubic root of 10418821 is about 218.4101710144.

The spelling of 10418821 in words is "ten million, four hundred eighteen thousand, eight hundred twenty-one".