8591401 has 16 divisors (see below), whose sum is σ = 11132800. Its totient is φ = 6438528.

The previous prime is 8591389. The next prime is 8591419. The reversal of 8591401 is 1041958.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8591401 - 2⁵ = 8591369 is a prime.

It is a super-2 number, since 2×8591401² = 147624342285602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8591401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8591431) 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, 756 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (695800).

Almost surely, 2^8591401 is an apocalyptic number.

It is an amenable number.

8591401 is a deficient number, since it is larger than the sum of its proper divisors (2541399).

8591401 is a wasteful number, since it uses less digits than its factorization.

8591401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 8591401 is about 2931.1091757217. The cubic root of 8591401 is about 204.8116533006.

The spelling of 8591401 in words is "eight million, five hundred ninety-one thousand, four hundred one".