342650 has 48 divisors (see below), whose sum is σ = 803520. Its totient is φ = 105600.

The previous prime is 342647. The next prime is 342653. The reversal of 342650 is 56243.

It is an interprime number because it is at equal distance from previous prime (342647) and next prime (342653).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342653) 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 23 ways as a sum of consecutive naturals, for example, 3806 + ... + 3894.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2³⁴²⁶⁵⁰ is an apocalyptic number.

342650 is an abundant number, since it is smaller than the sum of its proper divisors (460870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342650 is a wasteful number, since it uses less digits than its factorization.

342650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 342650 is about 585.3631351563. The cubic root of 342650 is about 69.9761823731.

Adding to 342650 its reverse (56243), we get a palindrome (398893).

It can be divided in two parts, 34 and 2650, that multiplied together give a triangular number (90100 = T₄₂₄).

The spelling of 342650 in words is "three hundred forty-two thousand, six hundred fifty".