3696389 has 4 divisors (see below), whose sum is σ = 3700320. Its totient is φ = 3692460.

The previous prime is 3696383. The next prime is 3696391. The reversal of 3696389 is 9836963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3696389 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (925080).

Almost surely, 2^3696389 is an apocalyptic number.

It is an amenable number.

3696389 is a deficient number, since it is larger than the sum of its proper divisors (3931).

3696389 is a wasteful number, since it uses less digits than its factorization.

3696389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its digits is 209952, while the sum is 44.

The square root of 3696389 is about 1922.5995422864. The cubic root of 3696389 is about 154.6177051184.

The spelling of 3696389 in words is "three million, six hundred ninety-six thousand, three hundred eighty-nine".