3633706 has 4 divisors (see below), whose sum is σ = 5450562. Its totient is φ = 1816852.

The previous prime is 3633703. The next prime is 3633713. The reversal of 3633706 is 6073363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6073363 = 43 ⋅141241.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 1121481 = 1585^2 + 1059^2 .

It is not an unprimeable number, because it can be changed into a prime (3633703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908425 + ... + 908428.

Almost surely, 2^3633706 is an apocalyptic number.

3633706 is a deficient number, since it is larger than the sum of its proper divisors (1816856).

3633706 is a wasteful number, since it uses less digits than its factorization.

3633706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816855.

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 3633706 is about 1906.2282129902. The cubic root of 3633706 is about 153.7387203922.

The spelling of 3633706 in words is "three million, six hundred thirty-three thousand, seven hundred six".