342881 has 16 divisors (see below), whose sum is σ = 440448. Its totient is φ = 259200.

The previous prime is 342871. The next prime is 342889. The reversal of 342881 is 188243.

It is a cyclic number.

It is not a de Polignac number, because 342881 - 2¹⁴ = 326497 is a prime.

It is a super-2 number, since 2×342881² = 235134760322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342881.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342881.

It is not an unprimeable number, because it can be changed into a prime (342889) 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, 4661 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (27528).

2³⁴²⁸⁸¹ is an apocalyptic number.

It is an amenable number.

342881 is a deficient number, since it is larger than the sum of its proper divisors (97567).

342881 is a wasteful number, since it uses less digits than its factorization.

342881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its digits is 1536, while the sum is 26.

The square root of 342881 is about 585.5604153288. The cubic root of 342881 is about 69.9919038255.

The spelling of 342881 in words is "three hundred forty-two thousand, eight hundred eighty-one".