342449893 has 16 divisors (see below), whose sum is σ = 366220800. Its totient is φ = 319636800.

The previous prime is 342449881. The next prime is 342449909. The reversal of 342449893 is 398944243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342449893 is a prime.

It is a super-2 number, since 2×342449893² = 234543858431422898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342449803) 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, 124588 + ... + 127306.

It is an arithmetic number, because the mean of its divisors is an integer number (22888800).

Almost surely, 2^342449893 is an apocalyptic number.

It is an amenable number.

342449893 is a deficient number, since it is larger than the sum of its proper divisors (23770907).

342449893 is a wasteful number, since it uses less digits than its factorization.

342449893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892.

The product of its digits is 746496, while the sum is 46.

The square root of 342449893 is about 18505.4017249018. The cubic root of 342449893 is about 699.6255773119.

The spelling of 342449893 in words is "three hundred forty-two million, four hundred forty-nine thousand, eight hundred ninety-three".