3018401 has 4 divisors (see below), whose sum is σ = 3195972. Its totient is φ = 2840832.

The previous prime is 3018347. The next prime is 3018413. The reversal of 3018401 is 1048103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1048103 = 7 ⋅149729.

It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 1002001 = 1420^2 + 1001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3018401 is a prime.

It is a super-2 number, since 2×3018401² = 18221489193602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 177553 = 3018401 / (3 + 0 + 1 + 8 + 4 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3018401.

It is not an unprimeable number, because it can be changed into a prime (3018601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88760 + ... + 88793.

It is an arithmetic number, because the mean of its divisors is an integer number (798993).

Almost surely, 2^3018401 is an apocalyptic number.

It is an amenable number.

3018401 is a deficient number, since it is larger than the sum of its proper divisors (177571).

3018401 is a wasteful number, since it uses less digits than its factorization.

3018401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177570.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3018401 is about 1737.3545982326. The cubic root of 3018401 is about 144.5192321237.

The spelling of 3018401 in words is "three million, eighteen thousand, four hundred one".