346663716 has 48 divisors (see below), whose sum is σ = 928865280. Its totient is φ = 98572320.

The previous prime is 346663687. The next prime is 346663717. The reversal of 346663716 is 617366643.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (346663717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7945 + ... + 27503.

It is an arithmetic number, because the mean of its divisors is an integer number (19351360).

Almost surely, 2^346663716 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 346663716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464432640).

346663716 is an abundant number, since it is smaller than the sum of its proper divisors (582201564).

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

346663716 is a wasteful number, since it uses less digits than its factorization.

346663716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19784 (or 19782 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 346663716 is about 18618.9074867458. The cubic root of 346663716 is about 702.4835022700.

The spelling of 346663716 in words is "three hundred forty-six million, six hundred sixty-three thousand, seven hundred sixteen".