3684672946 has 4 divisors (see below), whose sum is σ = 5527009422. Its totient is φ = 1842336472.

The previous prime is 3684672941. The next prime is 3684672947. The reversal of 3684672946 is 6492764863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3004245721 + 680427225 = 54811^2 + 26085^2 .

It is not an unprimeable number, because it can be changed into a prime (3684672941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921168235 + ... + 921168238.

Almost surely, 2^3684672946 is an apocalyptic number.

3684672946 is a deficient number, since it is larger than the sum of its proper divisors (1842336476).

3684672946 is a wasteful number, since it uses less digits than its factorization.

3684672946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842336475.

The product of its digits is 10450944, while the sum is 55.

The square root of 3684672946 is about 60701.5069499926. The cubic root of 3684672946 is about 1544.5417374801.

The spelling of 3684672946 in words is "three billion, six hundred eighty-four million, six hundred seventy-two thousand, nine hundred forty-six".