343942798 has 4 divisors (see below), whose sum is σ = 515914200. Its totient is φ = 171971398.

The previous prime is 343942783. The next prime is 343942829. The reversal of 343942798 is 897249343.

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: 897249343 = 23 ⋅39010841.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85985698 + ... + 85985701.

It is an arithmetic number, because the mean of its divisors is an integer number (128978550).

Almost surely, 2^343942798 is an apocalyptic number.

343942798 is a deficient number, since it is larger than the sum of its proper divisors (171971402).

343942798 is a wasteful number, since it uses less digits than its factorization.

343942798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171971401.

The product of its digits is 1306368, while the sum is 49.

The square root of 343942798 is about 18545.6948643075. The cubic root of 343942798 is about 700.6407724485.

The spelling of 343942798 in words is "three hundred forty-three million, nine hundred forty-two thousand, seven hundred ninety-eight".