3690399 has 8 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 2449496.

The previous prime is 3690397. The next prime is 3690437. The reversal of 3690399 is 9930963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3690399 - 2¹ = 3690397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690397) 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, 1857 + ... + 3290.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^3690399 is an apocalyptic number.

3690399 is a deficient number, since it is larger than the sum of its proper divisors (1251681).

3690399 is a wasteful number, since it uses less digits than its factorization.

3690399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 3690399 is about 1921.0411239742. The cubic root of 3690399 is about 154.5341406104.

The spelling of 3690399 in words is "three million, six hundred ninety thousand, three hundred ninety-nine".