3709965 has 32 divisors (see below), whose sum is σ = 6877440. Its totient is φ = 1672704.

The previous prime is 3709949. The next prime is 3710009. The reversal of 3709965 is 5699073.

It is not a de Polignac number, because 3709965 - 2⁴ = 3709949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9147 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (214920).

Almost surely, 2^3709965 is an apocalyptic number.

3709965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3709965 is a deficient number, since it is larger than the sum of its proper divisors (3167475).

3709965 is a wasteful number, since it uses less digits than its factorization.

3709965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 3709965 is about 1926.1269428571. The cubic root of 3709965 is about 154.8067657907.

The spelling of 3709965 in words is "three million, seven hundred nine thousand, nine hundred sixty-five".