18296401 has 4 divisors (see below), whose sum is σ = 18596404. Its totient is φ = 17996400.

The previous prime is 18296387. The next prime is 18296429. The reversal of 18296401 is 10469281.

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: 10469281 = 241 ⋅43441.

It can be written as a sum of positive squares in 2 ways, for example, as 9000000 + 9296401 = 3000^2 + 3049^2 .

It is a cyclic number.

It is not a de Polignac number, because 18296401 - 2⁷ = 18296273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18296461) 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, 149910 + ... + 150031.

It is an arithmetic number, because the mean of its divisors is an integer number (4649101).

Almost surely, 2^18296401 is an apocalyptic number.

It is an amenable number.

18296401 is a deficient number, since it is larger than the sum of its proper divisors (300003).

18296401 is an equidigital number, since it uses as much as digits as its factorization.

18296401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300002.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 18296401 is about 4277.4292513144. The cubic root of 18296401 is about 263.5048157576.

The spelling of 18296401 in words is "eighteen million, two hundred ninety-six thousand, four hundred one".