348045786 has 48 divisors (see below), whose sum is σ = 829191168. Its totient is φ = 104630400.

The previous prime is 348045769. The next prime is 348045787. The reversal of 348045786 is 687540843.

It is a super-2 number, since 2×348045786² = 242271738304715592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348045787) 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, 18226 + ... + 32066.

It is an arithmetic number, because the mean of its divisors is an integer number (17274816).

Almost surely, 2^348045786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348045786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414595584).

348045786 is an abundant number, since it is smaller than the sum of its proper divisors (481145382).

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

348045786 is a wasteful number, since it uses less digits than its factorization.

348045786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987 (or 13984 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 348045786 is about 18655.9852594281. The cubic root of 348045786 is about 703.4158121244.

The spelling of 348045786 in words is "three hundred forty-eight million, forty-five thousand, seven hundred eighty-six".