346332140 has 48 divisors (see below), whose sum is σ = 906764544. Its totient is φ = 107947200.

The previous prime is 346332101. The next prime is 346332149. The reversal of 346332140 is 41233643.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (346332149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110906 + ... + 113985.

It is an arithmetic number, because the mean of its divisors is an integer number (18890928).

Almost surely, 2^346332140 is an apocalyptic number.

It is an amenable number.

346332140 is an abundant number, since it is smaller than the sum of its proper divisors (560432404).

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

346332140 is a wasteful number, since it uses less digits than its factorization.

346332140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224918 (or 224916 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 346332140 is about 18610.0010746910. The cubic root of 346332140 is about 702.2594609667.

Adding to 346332140 its reverse (41233643), we get a palindrome (387565783).

The spelling of 346332140 in words is "three hundred forty-six million, three hundred thirty-two thousand, one hundred forty".