343413986 has 4 divisors (see below), whose sum is σ = 515120982. Its totient is φ = 171706992.

The previous prime is 343413949. The next prime is 343413997. The reversal of 343413986 is 689314343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689314343 = 53 ⋅13005931.

It can be written as a sum of positive squares in only one way, i.e., 198669025 + 144744961 = 14095^2 + 12031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85853495 + ... + 85853498.

Almost surely, 2^343413986 is an apocalyptic number.

343413986 is a deficient number, since it is larger than the sum of its proper divisors (171706996).

343413986 is a wasteful number, since it uses less digits than its factorization.

343413986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171706995.

The product of its digits is 186624, while the sum is 41.

The square root of 343413986 is about 18531.4323785292. The cubic root of 343413986 is about 700.2815099029.

The spelling of 343413986 in words is "three hundred forty-three million, four hundred thirteen thousand, nine hundred eighty-six".