7894401 has 4 divisors (see below), whose sum is σ = 10525872. Its totient is φ = 5262932.

The previous prime is 7894387. The next prime is 7894417. The reversal of 7894401 is 1044987.

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.

It is a cyclic number.

It is not a de Polignac number, because 7894401 - 2²² = 3700097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7894301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315731 + ... + 1315736.

It is an arithmetic number, because the mean of its divisors is an integer number (2631468).

Almost surely, 2^7894401 is an apocalyptic number.

It is an amenable number.

7894401 is a deficient number, since it is larger than the sum of its proper divisors (2631471).

7894401 is a wasteful number, since it uses less digits than its factorization.

7894401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631470.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7894401 is about 2809.6976705688. The cubic root of 7894401 is about 199.1161077605.

The spelling of 7894401 in words is "seven million, eight hundred ninety-four thousand, four hundred one".