344642 has 4 divisors (see below), whose sum is σ = 516966. Its totient is φ = 172320.

The previous prime is 344639. The next prime is 344653. The reversal of 344642 is 246443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246443 = 59 ⋅4177.

It can be written as a sum of positive squares in only one way, i.e., 261121 + 83521 = 511^2 + 289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86159 + ... + 86162.

2³⁴⁴⁶⁴² is an apocalyptic number.

344642 is a deficient number, since it is larger than the sum of its proper divisors (172324).

344642 is a wasteful number, since it uses less digits than its factorization.

344642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172323.

The product of its digits is 2304, while the sum is 23.

The square root of 344642 is about 587.0621772862. The cubic root of 344642 is about 70.1115229094. Note that the first 3 decimals are identical.

The spelling of 344642 in words is "three hundred forty-four thousand, six hundred forty-two".