340999966 has 4 divisors (see below), whose sum is σ = 511499952. Its totient is φ = 170499982.

The previous prime is 340999961. The next prime is 341000021. The reversal of 340999966 is 669999043.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340999961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85249990 + ... + 85249993.

It is an arithmetic number, because the mean of its divisors is an integer number (127874988).

Almost surely, 2^340999966 is an apocalyptic number.

340999966 is a deficient number, since it is larger than the sum of its proper divisors (170499986).

340999966 is a wasteful number, since it uses less digits than its factorization.

340999966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170499985.

The product of its (nonzero) digits is 2834352, while the sum is 55.

The square root of 340999966 is about 18466.1843920178. The cubic root of 340999966 is about 698.6367795622.

The spelling of 340999966 in words is "three hundred forty million, nine hundred ninety-nine thousand, nine hundred sixty-six".