346140636 has 24 divisors (see below), whose sum is σ = 835512720. Its totient is φ = 111401472.

The previous prime is 346140631. The next prime is 346140653. The reversal of 346140636 is 636041643.

It is a junction number, because it is equal to n+sod(n) for n = 346140597 and 346140606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346140631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496981 + ... + 497676.

It is an arithmetic number, because the mean of its divisors is an integer number (34813030).

Almost surely, 2^346140636 is an apocalyptic number.

It is an amenable number.

346140636 is an abundant number, since it is smaller than the sum of its proper divisors (489372084).

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

346140636 is a wasteful number, since it uses less digits than its factorization.

346140636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994693 (or 994691 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 346140636 is about 18604.8551727768. The cubic root of 346140636 is about 702.1299992200.

The spelling of 346140636 in words is "three hundred forty-six million, one hundred forty thousand, six hundred thirty-six".