11404340 has 12 divisors (see below), whose sum is σ = 23949156. Its totient is φ = 4561728.

The previous prime is 11404321. The next prime is 11404357. The reversal of 11404340 is 4340411.

It can be written as a sum of positive squares in 2 ways, for example, as 7862416 + 3541924 = 2804^2 + 1882^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285089 + ... + 285128.

It is an arithmetic number, because the mean of its divisors is an integer number (1995763).

Almost surely, 2^11404340 is an apocalyptic number.

11404340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404340 is an abundant number, since it is smaller than the sum of its proper divisors (12544816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11404340 is a wasteful number, since it uses less digits than its factorization.

11404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570226 (or 570224 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11404340 is about 3377.0312406017. The cubic root of 11404340 is about 225.0902683069.

Adding to 11404340 its reverse (4340411), we get a palindrome (15744751).

The spelling of 11404340 in words is "eleven million, four hundred four thousand, three hundred forty".