346645156 has 72 divisors (see below), whose sum is σ = 737985080. Its totient is φ = 141419520.

The previous prime is 346645151. The next prime is 346645171. The reversal of 346645156 is 651546643.

It can be written as a sum of positive squares in 4 ways, for example, as 25160256 + 321484900 = 5016^2 + 17930^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (346645151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232060 + ... + 233548.

Almost surely, 2^346645156 is an apocalyptic number.

It is an amenable number.

346645156 is an abundant number, since it is smaller than the sum of its proper divisors (391339924).

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

346645156 is a wasteful number, since it uses less digits than its factorization.

346645156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1552 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 346645156 is about 18618.4090620010. The cubic root of 346645156 is about 702.4709653109.

The spelling of 346645156 in words is "three hundred forty-six million, six hundred forty-five thousand, one hundred fifty-six".