7698401 has 4 divisors (see below), whose sum is σ = 8103600. Its totient is φ = 7293204.

The previous prime is 7698377. The next prime is 7698403. The reversal of 7698401 is 1048967.

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 an emirpimes, since its reverse is a distinct semiprime: 1048967 = 227 ⋅4621.

It is a cyclic number.

It is not a de Polignac number, because 7698401 - 2⁶ = 7698337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7698403) 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, 202571 + ... + 202608.

It is an arithmetic number, because the mean of its divisors is an integer number (2025900).

Almost surely, 2^7698401 is an apocalyptic number.

It is an amenable number.

7698401 is a deficient number, since it is larger than the sum of its proper divisors (405199).

7698401 is a wasteful number, since it uses less digits than its factorization.

7698401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405198.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7698401 is about 2774.5992503423. The cubic root of 7698401 is about 197.4544123804.

The spelling of 7698401 in words is "seven million, six hundred ninety-eight thousand, four hundred one".