342681698 has 4 divisors (see below), whose sum is σ = 514022550. Its totient is φ = 171340848.

The previous prime is 342681671. The next prime is 342681709. The reversal of 342681698 is 896186243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896186243 = 19 ⋅47167697.

It can be written as a sum of positive squares in only one way, i.e., 288762049 + 53919649 = 16993^2 + 7343^2 .

It is a super-2 number, since 2×342681698² = 234861492288326408, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85670423 + ... + 85670426.

Almost surely, 2^342681698 is an apocalyptic number.

342681698 is a deficient number, since it is larger than the sum of its proper divisors (171340852).

342681698 is a wasteful number, since it uses less digits than its factorization.

342681698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171340851.

The product of its digits is 497664, while the sum is 47.

The square root of 342681698 is about 18511.6638366193. The cubic root of 342681698 is about 699.7834010125.

The spelling of 342681698 in words is "three hundred forty-two million, six hundred eighty-one thousand, six hundred ninety-eight".