342837819 has 32 divisors (see below), whose sum is σ = 526424640. Its totient is φ = 220340736.

The previous prime is 342837811. The next prime is 342837823. The reversal of 342837819 is 918738243.

It is not a de Polignac number, because 342837819 - 2³ = 342837811 is a prime.

It is a super-2 number, since 2×342837819² = 235075540273353522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342837811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111369 + ... + 114405.

It is an arithmetic number, because the mean of its divisors is an integer number (16450770).

Almost surely, 2^342837819 is an apocalyptic number.

342837819 is a deficient number, since it is larger than the sum of its proper divisors (183586821).

342837819 is a wasteful number, since it uses less digits than its factorization.

342837819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3190 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 342837819 is about 18515.8801843175. The cubic root of 342837819 is about 699.8896553958.

The spelling of 342837819 in words is "three hundred forty-two million, eight hundred thirty-seven thousand, eight hundred nineteen".