401590 has 16 divisors (see below), whose sum is σ = 826272. Its totient is φ = 137664.

The previous prime is 401587. The next prime is 401593. The reversal of 401590 is 95104.

It is an interprime number because it is at equal distance from previous prime (401587) and next prime (401593).

It is a super-2 number, since 2×401590² = 322549056200, which contains 22 as substring.

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, 2799 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (51642).

2⁴⁰¹⁵⁹⁰ is an apocalyptic number.

401590 is an abundant number, since it is smaller than the sum of its proper divisors (424682).

It is a weird number, because it is abundant, but not a pseudoperfect number.

401590 is a wasteful number, since it uses less digits than its factorization.

401590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 401590 is about 633.7112907310. The cubic root of 401590 is about 73.7781277369.

Adding to 401590 its reverse (95104), we get a palindrome (496694).

The spelling of 401590 in words is "four hundred one thousand, five hundred ninety".