11434381 has 32 divisors (see below), whose sum is σ = 14745600. Its totient is φ = 8648640.

The previous prime is 11434363. The next prime is 11434391. The reversal of 11434381 is 18343411.

It is not a de Polignac number, because 11434381 - 2⁷ = 11434253 is a prime.

It is a super-2 number, since 2×11434381² = 261490137706322, 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 (11434321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144700 + ... + 144778.

It is an arithmetic number, because the mean of its divisors is an integer number (460800).

Almost surely, 2^11434381 is an apocalyptic number.

It is an amenable number.

11434381 is a deficient number, since it is larger than the sum of its proper divisors (3311219).

11434381 is a wasteful number, since it uses less digits than its factorization.

11434381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169.

The product of its digits is 1152, while the sum is 25.

The square root of 11434381 is about 3381.4761569468. The cubic root of 11434381 is about 225.2877372253.

Adding to 11434381 its reverse (18343411), we get a palindrome (29777792).

The spelling of 11434381 in words is "eleven million, four hundred thirty-four thousand, three hundred eighty-one".