346066691 has 8 divisors (see below), whose sum is σ = 355897584. Its totient is φ = 336302080.

The previous prime is 346066673. The next prime is 346066697. The reversal of 346066691 is 196660643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346066691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346066697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5885 + ... + 26958.

It is an arithmetic number, because the mean of its divisors is an integer number (44487198).

Almost surely, 2^346066691 is an apocalyptic number.

346066691 is a deficient number, since it is larger than the sum of its proper divisors (9830893).

346066691 is a wasteful number, since it uses less digits than its factorization.

346066691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33141.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 346066691 is about 18602.8678165491. The cubic root of 346066691 is about 702.0799976744.

The spelling of 346066691 in words is "three hundred forty-six million, sixty-six thousand, six hundred ninety-one".