346496781 has 16 divisors (see below), whose sum is σ = 474259968. Its totient is φ = 224889600.

The previous prime is 346496779. The next prime is 346496783. The reversal of 346496781 is 187694643.

It is an interprime number because it is at equal distance from previous prime (346496779) and next prime (346496783).

It is not a de Polignac number, because 346496781 - 2¹ = 346496779 is a prime.

It is a super-2 number, since 2×346496781² = 240120038486723922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 346496781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346496783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61380 + ... + 66786.

It is an arithmetic number, because the mean of its divisors is an integer number (29641248).

Almost surely, 2^346496781 is an apocalyptic number.

It is an amenable number.

346496781 is a deficient number, since it is larger than the sum of its proper divisors (127763187).

346496781 is a wasteful number, since it uses less digits than its factorization.

346496781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972.

The product of its digits is 870912, while the sum is 48.

The square root of 346496781 is about 18614.4240039814. The cubic root of 346496781 is about 702.3707244716.

The spelling of 346496781 in words is "three hundred forty-six million, four hundred ninety-six thousand, seven hundred eighty-one".