342457 has 4 divisors (see below), whose sum is σ = 353536. Its totient is φ = 331380.

The previous prime is 342451. The next prime is 342467. The reversal of 342457 is 754243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342457 - 2³ = 342449 is a prime.

It is a d-powerful number, because it can be written as 3³ + 4³ + 4⁹ + 2¹¹ + 5⁷ + 7² .

It is a Duffinian number.

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 342457.

It is not an unprimeable number, because it can be changed into a prime (342451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493 + ... + 5554.

It is an arithmetic number, because the mean of its divisors is an integer number (88384).

2³⁴²⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

342457 is a deficient number, since it is larger than the sum of its proper divisors (11079).

342457 is a wasteful number, since it uses less digits than its factorization.

342457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11078.

The product of its digits is 3360, while the sum is 25.

The square root of 342457 is about 585.1982570036. The cubic root of 342457 is about 69.9630417149.

It can be divided in two parts, 3424 and 57, that added together give a square (3481 = 59²).

The spelling of 342457 in words is "three hundred forty-two thousand, four hundred fifty-seven".