343701009 has 32 divisors (see below), whose sum is σ = 521480960. Its totient is φ = 223668864.

The previous prime is 343700993. The next prime is 343701037. The reversal of 343701009 is 900107343.

It is not a de Polignac number, because 343701009 - 2⁴ = 343700993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343741009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202167 + ... + 203859.

It is an arithmetic number, because the mean of its divisors is an integer number (16296280).

Almost surely, 2^343701009 is an apocalyptic number.

It is an amenable number.

343701009 is a deficient number, since it is larger than the sum of its proper divisors (177779951).

343701009 is a wasteful number, since it uses less digits than its factorization.

343701009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 343701009 is about 18539.1749816436. The cubic root of 343701009 is about 700.4765523655.

The spelling of 343701009 in words is "three hundred forty-three million, seven hundred one thousand, nine".