2236401 has 24 divisors (see below), whose sum is σ = 3504384. Its totient is φ = 1368960.

The previous prime is 2236397. The next prime is 2236417. The reversal of 2236401 is 1046322.

It is a happy number.

2236401 is a `hidden beast` number, since 2 + 23 + 640 + 1 = 666.

It is not a de Polignac number, because 2236401 - 2² = 2236397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2236001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7036 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (146016).

2^2236401 is an apocalyptic number.

It is an amenable number.

2236401 is a deficient number, since it is larger than the sum of its proper divisors (1267983).

2236401 is a wasteful number, since it uses less digits than its factorization.

2236401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2236401 is about 1495.4601298597. The cubic root of 2236401 is about 130.7725400369.

The spelling of 2236401 in words is "two million, two hundred thirty-six thousand, four hundred one".