342691442 has 4 divisors (see below), whose sum is σ = 514037166. Its totient is φ = 171345720.

The previous prime is 342691441. The next prime is 342691451. The reversal of 342691442 is 244196243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244196243 = 331 ⋅737753.

It can be written as a sum of positive squares in only one way, i.e., 326199721 + 16491721 = 18061^2 + 4061^2 .

It is not an unprimeable number, because it can be changed into a prime (342691441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85672859 + ... + 85672862.

Almost surely, 2^342691442 is an apocalyptic number.

342691442 is a deficient number, since it is larger than the sum of its proper divisors (171345724).

342691442 is a wasteful number, since it uses less digits than its factorization.

342691442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171345723.

The product of its digits is 41472, while the sum is 35.

The square root of 342691442 is about 18511.9270201673. The cubic root of 342691442 is about 699.7900336251.

The spelling of 342691442 in words is "three hundred forty-two million, six hundred ninety-one thousand, four hundred forty-two".