170401 has 8 divisors (see below), whose sum is σ = 212544. Its totient is φ = 132720.

The previous prime is 170393. The next prime is 170413. The reversal of 170401 is 104071.

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

It is not a de Polignac number, because 170401 - 2³ = 170393 is a prime.

It is a Duffinian number.

170401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (170441) 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, 1030 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (26568).

2¹⁷⁰⁴⁰¹ is an apocalyptic number.

170401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

170401 is a deficient number, since it is larger than the sum of its proper divisors (42143).

170401 is a wasteful number, since it uses less digits than its factorization.

170401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 170401 is about 412.7965600632. The cubic root of 170401 is about 55.4401052855.

Adding to 170401 its reverse (104071), we get a palindrome (274472).

The spelling of 170401 in words is "one hundred seventy thousand, four hundred one", and thus it is an iban number.