3870199 has 2 divisors, whose sum is σ = 3870200. Its totient is φ = 3870198.

The previous prime is 3870197. The next prime is 3870211. The reversal of 3870199 is 9910783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3870199 - 2¹ = 3870197 is a prime.

Together with 3870197, it forms a pair of twin primes.

3870199 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935099 + 1935100.

It is an arithmetic number, because the mean of its divisors is an integer number (1935100).

Almost surely, 2^3870199 is an apocalyptic number.

3870199 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870199 is an equidigital number, since it uses as much as digits as its factorization.

3870199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 3870199 is about 1967.2821353329. The cubic root of 3870199 is about 157.0041379898.

The spelling of 3870199 in words is "three million, eight hundred seventy thousand, one hundred ninety-nine".