10404621 has 12 divisors (see below), whose sum is σ = 15102880. Its totient is φ = 6902280.

The previous prime is 10404619. The next prime is 10404643. The reversal of 10404621 is 12640401.

10404621 is a `hidden beast` number, since 1 + 0 + 40 + 4 + 621 = 666.

10404621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10404621 - 2¹ = 10404619 is a prime.

It is a super-2 number, since 2×10404621² = 216512276307282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10404594 and 10404603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841 + ... + 4638.

Almost surely, 2^10404621 is an apocalyptic number.

It is an amenable number.

10404621 is a deficient number, since it is larger than the sum of its proper divisors (4698259).

10404621 is a wasteful number, since it uses less digits than its factorization.

10404621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 10404621 is about 3225.6194753876. The cubic root of 10404621 is about 218.3109008413.

It can be divided in two parts, 10404 and 621, that added together give a square (11025 = 105²).

The spelling of 10404621 in words is "ten million, four hundred four thousand, six hundred twenty-one".