4118431 has 4 divisors (see below), whose sum is σ = 4148200. Its totient is φ = 4088664.

The previous prime is 4118419. The next prime is 4118467. The reversal of 4118431 is 1348114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1348114 = 2 ⋅674057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4118431 is a prime.

It is a super-2 number, since 2×4118431² = 33922947803522, 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 (4118531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14676 + ... + 14953.

It is an arithmetic number, because the mean of its divisors is an integer number (1037050).

Almost surely, 2^4118431 is an apocalyptic number.

4118431 is the 1284-th centered pentagonal number.

4118431 is a deficient number, since it is larger than the sum of its proper divisors (29769).

4118431 is a wasteful number, since it uses less digits than its factorization.

4118431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29768.

The product of its digits is 384, while the sum is 22.

The square root of 4118431 is about 2029.3917808053. The cubic root of 4118431 is about 160.2915387720.

The spelling of 4118431 in words is "four million, one hundred eighteen thousand, four hundred thirty-one".