401597 has 8 divisors (see below), whose sum is σ = 464256. Its totient is φ = 340272.

The previous prime is 401593. The next prime is 401627. The reversal of 401597 is 795104.

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 401597 - 2² = 401593 is a prime.

It is a super-2 number, since 2×401597² = 322560300818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401593) 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, 443 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (58032).

2⁴⁰¹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

401597 is a deficient number, since it is larger than the sum of its proper divisors (62659).

401597 is a wasteful number, since it uses less digits than its factorization.

401597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 401597 is about 633.7168137268. The cubic root of 401597 is about 73.7785564028.

The spelling of 401597 in words is "four hundred one thousand, five hundred ninety-seven".