7886401 has 8 divisors (see below), whose sum is σ = 8311680. Its totient is φ = 7468032.

The previous prime is 7886399. The next prime is 7886407. The reversal of 7886401 is 1046887.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7886401 - 2¹ = 7886399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7886407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (1038960).

Almost surely, 2^7886401 is an apocalyptic number.

It is an amenable number.

7886401 is a deficient number, since it is larger than the sum of its proper divisors (425279).

7886401 is a wasteful number, since it uses less digits than its factorization.

7886401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 7886401 is about 2808.2736690002. The cubic root of 7886401 is about 199.0488251702.

The spelling of 7886401 in words is "seven million, eight hundred eighty-six thousand, four hundred one".