3690899 has 2 divisors, whose sum is σ = 3690900. Its totient is φ = 3690898.

The previous prime is 3690889. The next prime is 3690923. The reversal of 3690899 is 9980963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3690899 - 2²⁰ = 2642323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3690839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845449 + 1845450.

It is an arithmetic number, because the mean of its divisors is an integer number (1845450).

Almost surely, 2^3690899 is an apocalyptic number.

3690899 is a deficient number, since it is larger than the sum of its proper divisors (1).

3690899 is an equidigital number, since it uses as much as digits as its factorization.

3690899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 3690899 is about 1921.1712573324. The cubic root of 3690899 is about 154.5411194024.

Subtracting 3690899 from its reverse (9980963), we obtain a square (6290064 = 2508²).

The spelling of 3690899 in words is "three million, six hundred ninety thousand, eight hundred ninety-nine".