3648706 has 4 divisors (see below), whose sum is σ = 5473062. Its totient is φ = 1824352.

The previous prime is 3648691. The next prime is 3648707. The reversal of 3648706 is 6078463.

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., 3553225 + 95481 = 1885^2 + 309^2 .

It is not an unprimeable number, because it can be changed into a prime (3648707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912175 + ... + 912178.

Almost surely, 2^3648706 is an apocalyptic number.

3648706 is a deficient number, since it is larger than the sum of its proper divisors (1824356).

3648706 is a wasteful number, since it uses less digits than its factorization.

3648706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824355.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3648706 is about 1910.1586321560. The cubic root of 3648706 is about 153.9499753188.

The spelling of 3648706 in words is "three million, six hundred forty-eight thousand, seven hundred six".