3691065 has 16 divisors (see below), whose sum is σ = 6749568. Its totient is φ = 1687296.

The previous prime is 3691043. The next prime is 3691087. The reversal of 3691065 is 5601963.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3691043) and next prime (3691087).

It is not a de Polignac number, because 3691065 - 2⁹ = 3690553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17472 + ... + 17681.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

Almost surely, 2^3691065 is an apocalyptic number.

3691065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3691065 is a deficient number, since it is larger than the sum of its proper divisors (3058503).

3691065 is a wasteful number, since it uses less digits than its factorization.

3691065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35168.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3691065 is about 1921.2144596583. The cubic root of 3691065 is about 154.5434362219.

The spelling of 3691065 in words is "three million, six hundred ninety-one thousand, sixty-five".