348861186 has 12 divisors (see below), whose sum is σ = 755865942. Its totient is φ = 116287056.

The previous prime is 348861181. The next prime is 348861187. The reversal of 348861186 is 681168843.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 271755225 + 77105961 = 16485^2 + 8781^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (348861181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9690571 + ... + 9690606.

Almost surely, 2^348861186 is an apocalyptic number.

348861186 is an abundant number, since it is smaller than the sum of its proper divisors (407004756).

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

348861186 is a wasteful number, since it uses less digits than its factorization.

348861186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19381185 (or 19381182 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 348861186 is about 18677.8260512298. The cubic root of 348861186 is about 703.9647034322.

The spelling of 348861186 in words is "three hundred forty-eight million, eight hundred sixty-one thousand, one hundred eighty-six".