342990365 has 4 divisors (see below), whose sum is σ = 411588444. Its totient is φ = 274392288.

The previous prime is 342990359. The next prime is 342990367. The reversal of 342990365 is 563099243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563099243 = 7 ⋅80442749.

It can be written as a sum of positive squares in 2 ways, for example, as 59505796 + 283484569 = 7714^2 + 16837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342990365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342990367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34299032 + ... + 34299041.

It is an arithmetic number, because the mean of its divisors is an integer number (102897111).

Almost surely, 2^342990365 is an apocalyptic number.

It is an amenable number.

342990365 is a deficient number, since it is larger than the sum of its proper divisors (68598079).

342990365 is an equidigital number, since it uses as much as digits as its factorization.

342990365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68598078.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 342990365 is about 18519.9990550756. Note that the first 3 decimals coincide. The cubic root of 342990365 is about 699.9934455169.

The spelling of 342990365 in words is "three hundred forty-two million, nine hundred ninety thousand, three hundred sixty-five".