348172812 has 72 divisors (see below), whose sum is σ = 973468496. Its totient is φ = 104229504.

The previous prime is 348172787. The next prime is 348172819. The reversal of 348172812 is 218271843.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (348172819) 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, 7263 + ... + 27369.

Almost surely, 2^348172812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348172812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486734248).

348172812 is an abundant number, since it is smaller than the sum of its proper divisors (625295684).

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

348172812 is a wasteful number, since it uses less digits than its factorization.

348172812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20167 (or 20162 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 348172812 is about 18659.3893790767. The cubic root of 348172812 is about 703.5013767565.

The spelling of 348172812 in words is "three hundred forty-eight million, one hundred seventy-two thousand, eight hundred twelve".