3685608746 has 4 divisors (see below), whose sum is σ = 5528413122. Its totient is φ = 1842804372.

The previous prime is 3685608709. The next prime is 3685608749. The reversal of 3685608746 is 6478065863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6478065863 = 317 ⋅20435539.

It can be written as a sum of positive squares in only one way, i.e., 2128438225 + 1557170521 = 46135^2 + 39461^2 .

It is not an unprimeable number, because it can be changed into a prime (3685608749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921402185 + ... + 921402188.

Almost surely, 2^3685608746 is an apocalyptic number.

3685608746 is a deficient number, since it is larger than the sum of its proper divisors (1842804376).

3685608746 is a wasteful number, since it uses less digits than its factorization.

3685608746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842804375.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The square root of 3685608746 is about 60709.2146712507. The cubic root of 3685608746 is about 1544.6724826719.

The spelling of 3685608746 in words is "three billion, six hundred eighty-five million, six hundred eight thousand, seven hundred forty-six".