3698699 has 4 divisors (see below), whose sum is σ = 3859536. Its totient is φ = 3537864.

The previous prime is 3698693. The next prime is 3698713. The reversal of 3698699 is 9968963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9968963 = 347 ⋅28729.

It is a cyclic number.

It is not a de Polignac number, because 3698699 - 2⁴ = 3698683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3698693) 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, 80384 + ... + 80429.

It is an arithmetic number, because the mean of its divisors is an integer number (964884).

Almost surely, 2^3698699 is an apocalyptic number.

3698699 is a deficient number, since it is larger than the sum of its proper divisors (160837).

3698699 is a wasteful number, since it uses less digits than its factorization.

3698699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160836.

The product of its digits is 629856, while the sum is 50.

The square root of 3698699 is about 1923.2001975873. The cubic root of 3698699 is about 154.6499070433.

The spelling of 3698699 in words is "three million, six hundred ninety-eight thousand, six hundred ninety-nine".