18410401 has 4 divisors (see below), whose sum is σ = 18419904. Its totient is φ = 18400900.

The previous prime is 18410393. The next prime is 18410429. The reversal of 18410401 is 10401481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 18410401 - 2³ = 18410393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18410101) 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, 685 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (4604976).

Almost surely, 2^18410401 is an apocalyptic number.

It is an amenable number.

18410401 is a deficient number, since it is larger than the sum of its proper divisors (9503).

18410401 is an equidigital number, since it uses as much as digits as its factorization.

18410401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 18410401 is about 4290.7343194376. The cubic root of 18410401 is about 264.0509591329.

Adding to 18410401 its reverse (10401481), we get a palindrome (28811882).

It can be divided in two parts, 184 and 10401, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 18410401 in words is "eighteen million, four hundred ten thousand, four hundred one".