7804401 has 16 divisors (see below), whose sum is σ = 11540928. Its totient is φ = 4651200.

The previous prime is 7804387. The next prime is 7804403. The reversal of 7804401 is 1044087.

It is not a de Polignac number, because 7804401 - 2⁵ = 7804369 is a prime.

7804401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7804403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (721308).

Almost surely, 2^7804401 is an apocalyptic number.

It is an amenable number.

7804401 is a deficient number, since it is larger than the sum of its proper divisors (3736527).

7804401 is a wasteful number, since it uses less digits than its factorization.

7804401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7804401 is about 2793.6358030352. The cubic root of 7804401 is about 198.3565405291.

Adding to 7804401 its reverse (1044087), we get a palindrome (8848488).

It can be divided in two parts, 7 and 804401, that added together give a palindrome (804408).

The spelling of 7804401 in words is "seven million, eight hundred four thousand, four hundred one".