3647667346 has 16 divisors (see below), whose sum is σ = 5576861304. Its totient is φ = 1789046784.

The previous prime is 3647667323. The next prime is 3647667371. The reversal of 3647667346 is 6437667463.

It can be written as a sum of positive squares in 4 ways, for example, as 1160151721 + 2487515625 = 34061^2 + 49875^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3647667293 and 3647667302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61275 + ... + 105118.

Almost surely, 2^3647667346 is an apocalyptic number.

3647667346 is a deficient number, since it is larger than the sum of its proper divisors (1929193958).

3647667346 is a wasteful number, since it uses less digits than its factorization.

3647667346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166605.

The product of its digits is 9144576, while the sum is 52.

The square root of 3647667346 is about 60395.9216007174. The cubic root of 3647667346 is about 1539.3536594475.

The spelling of 3647667346 in words is "three billion, six hundred forty-seven million, six hundred sixty-seven thousand, three hundred forty-six".