10406404 has 6 divisors (see below), whose sum is σ = 18211214. Its totient is φ = 5203200.

The previous prime is 10406393. The next prime is 10406423. The reversal of 10406404 is 40460401.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 2566404 = 2800^2 + 1602^2 .

It is a super-2 number, since 2×10406404² = 216586488422432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300797 + ... + 1300804.

Almost surely, 2^10406404 is an apocalyptic number.

It is an amenable number.

10406404 is a deficient number, since it is larger than the sum of its proper divisors (7804810).

10406404 is a wasteful number, since it uses less digits than its factorization.

10406404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601605 (or 2601603 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 10406404 is about 3225.8958445678. The cubic root of 10406404 is about 218.3233704963.

Adding to 10406404 its reverse (40460401), we get a palindrome (50866805).

It can be divided in two parts, 10406 and 404, that multiplied together give a palindrome (4204024).

The spelling of 10406404 in words is "ten million, four hundred six thousand, four hundred four".