11404393 has 16 divisors (see below), whose sum is σ = 15313536. Its totient is φ = 8202240.

The previous prime is 11404391. The next prime is 11404397. The reversal of 11404393 is 39340411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11404393 - 2¹ = 11404391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11404391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4696 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (957096).

Almost surely, 2^11404393 is an apocalyptic number.

11404393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11404393 is a deficient number, since it is larger than the sum of its proper divisors (3909143).

11404393 is a wasteful number, since it uses less digits than its factorization.

11404393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 11404393 is about 3377.0390877217. The cubic root of 11404393 is about 225.0906169978.

It can be divided in two parts, 11 and 404393, that added together give a palindrome (404404).

The spelling of 11404393 in words is "eleven million, four hundred four thousand, three hundred ninety-three".