343697674 has 4 divisors (see below), whose sum is σ = 515546514. Its totient is φ = 171848836.

The previous prime is 343697663. The next prime is 343697677. The reversal of 343697674 is 476796343.

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: 476796343 = 313 ⋅1523311.

It can be written as a sum of positive squares in only one way, i.e., 207158449 + 136539225 = 14393^2 + 11685^2 .

It is a super-2 number, since 2×343697674² = 236256182226020552, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (343697677) by changing a digit.

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, 85924417 + ... + 85924420.

Almost surely, 2^343697674 is an apocalyptic number.

343697674 is a deficient number, since it is larger than the sum of its proper divisors (171848840).

343697674 is a wasteful number, since it uses less digits than its factorization.

343697674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171848839.

The product of its digits is 2286144, while the sum is 49.

The square root of 343697674 is about 18539.0850367541. The cubic root of 343697674 is about 700.4742867365.

The spelling of 343697674 in words is "three hundred forty-three million, six hundred ninety-seven thousand, six hundred seventy-four".