11894381 has 8 divisors (see below), whose sum is σ = 12446784. Its totient is φ = 11344960.

The previous prime is 11894357. The next prime is 11894383. The reversal of 11894381 is 18349811.

11894381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11894381 - 2⁶ = 11894317 is a prime.

It is a super-2 number, since 2×11894381² = 282952598746322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894383) 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, 13061 + ... + 13941.

It is an arithmetic number, because the mean of its divisors is an integer number (1555848).

Almost surely, 2^11894381 is an apocalyptic number.

It is an amenable number.

11894381 is a deficient number, since it is larger than the sum of its proper divisors (552403).

11894381 is an equidigital number, since it uses as much as digits as its factorization.

11894381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its digits is 6912, while the sum is 35.

The square root of 11894381 is about 3448.8231326063. The cubic root of 11894381 is about 228.2691816629.

The spelling of 11894381 in words is "eleven million, eight hundred ninety-four thousand, three hundred eighty-one".