4018291 has 6 divisors (see below), whose sum is σ = 4241292. Its totient is φ = 3806460.

The previous prime is 4018277. The next prime is 4018297. The reversal of 4018291 is 1928104.

It is a happy number.

It is not a de Polignac number, because 4018291 - 2¹⁵ = 3985523 is a prime.

It is a super-2 number, since 2×4018291² = 32293325121362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4018297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5205 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (706882).

Almost surely, 2^4018291 is an apocalyptic number.

4018291 is a deficient number, since it is larger than the sum of its proper divisors (223001).

4018291 is a wasteful number, since it uses less digits than its factorization.

4018291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11169 (or 11150 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 4018291 is about 2004.5675344074. The cubic root of 4018291 is about 158.9816969293.

The spelling of 4018291 in words is "four million, eighteen thousand, two hundred ninety-one".