346609240 has 32 divisors (see below), whose sum is σ = 798011280. Its totient is φ = 135418752.

The previous prime is 346609213. The next prime is 346609253. The reversal of 346609240 is 42906643.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 346609196 and 346609205.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 99039 + ... + 102478.

Almost surely, 2^346609240 is an apocalyptic number.

It is an amenable number.

346609240 is an abundant number, since it is smaller than the sum of its proper divisors (451402040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346609240 is a wasteful number, since it uses less digits than its factorization.

346609240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201571 (or 201567 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 346609240 is about 18617.4445077728. Note that the first 3 decimals coincide. The cubic root of 346609240 is about 702.4467034029.

The spelling of 346609240 in words is "three hundred forty-six million, six hundred nine thousand, two hundred forty".