10821404 has 12 divisors (see below), whose sum is σ = 20659128. Its totient is φ = 4918800.

The previous prime is 10821397. The next prime is 10821409. The reversal of 10821404 is 40412801.

10821404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122927 + ... + 123014.

It is an arithmetic number, because the mean of its divisors is an integer number (1721594).

Almost surely, 2^10821404 is an apocalyptic number.

It is an amenable number.

10821404 is a deficient number, since it is larger than the sum of its proper divisors (9837724).

10821404 is a wasteful number, since it uses less digits than its factorization.

10821404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245956 (or 245954 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 10821404 is about 3289.5902480400. The cubic root of 10821404 is about 221.1878176514.

It can be divided in two parts, 108 and 21404, that added together give a palindrome (21512).

The spelling of 10821404 in words is "ten million, eight hundred twenty-one thousand, four hundred four".