11409379 has 8 divisors (see below), whose sum is σ = 11651040. Its totient is φ = 11169600.

The previous prime is 11409373. The next prime is 11409401. The reversal of 11409379 is 97390411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11409379 - 2⁹ = 11408867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11409373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21639 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (1456380).

Almost surely, 2^11409379 is an apocalyptic number.

11409379 is a deficient number, since it is larger than the sum of its proper divisors (241661).

11409379 is an equidigital number, since it uses as much as digits as its factorization.

11409379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 11409379 is about 3377.7772277046. Note that the first 3 decimals coincide. The cubic root of 11409379 is about 225.1234154202.

The spelling of 11409379 in words is "eleven million, four hundred nine thousand, three hundred seventy-nine".