3653706 has 16 divisors (see below), whose sum is σ = 8351424. Its totient is φ = 1043904.

The previous prime is 3653701. The next prime is 3653737. The reversal of 3653706 is 6073563.

It is not an unprimeable number, because it can be changed into a prime (3653701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43455 + ... + 43538.

It is an arithmetic number, because the mean of its divisors is an integer number (521964).

Almost surely, 2^3653706 is an apocalyptic number.

3653706 is an abundant number, since it is smaller than the sum of its proper divisors (4697718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3653706 is a wasteful number, since it uses less digits than its factorization.

3653706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87005.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 3653706 is about 1911.4669759114. The cubic root of 3653706 is about 154.0202649444.

The spelling of 3653706 in words is "three million, six hundred fifty-three thousand, seven hundred six".