11953389 has 8 divisors (see below), whose sum is σ = 18214720. Its totient is φ = 6830496.

The previous prime is 11953379. The next prime is 11953391. The reversal of 11953389 is 98335911.

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

It is not a de Polignac number, because 11953389 - 2¹⁹ = 11429101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953339) 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, 284584 + ... + 284625.

It is an arithmetic number, because the mean of its divisors is an integer number (2276840).

Almost surely, 2^11953389 is an apocalyptic number.

It is an amenable number.

11953389 is a deficient number, since it is larger than the sum of its proper divisors (6261331).

11953389 is an equidigital number, since it uses as much as digits as its factorization.

11953389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569219.

The product of its digits is 29160, while the sum is 39.

The square root of 11953389 is about 3457.3673510346. The cubic root of 11953389 is about 228.6460401326.

The spelling of 11953389 in words is "eleven million, nine hundred fifty-three thousand, three hundred eighty-nine".