3870919 has 8 divisors (see below), whose sum is σ = 4202352. Its totient is φ = 3544320.

The previous prime is 3870913. The next prime is 3870929. The reversal of 3870919 is 9190783.

3870919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3870919 - 2²¹ = 1773767 is a prime.

It is a super-2 number, since 2×3870919² = 29968027809122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (525294).

Almost surely, 2^3870919 is an apocalyptic number.

3870919 is a deficient number, since it is larger than the sum of its proper divisors (331433).

3870919 is a wasteful number, since it uses less digits than its factorization.

3870919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

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

The square root of 3870919 is about 1967.4651204024. The cubic root of 3870919 is about 157.0138735762.

The spelling of 3870919 in words is "three million, eight hundred seventy thousand, nine hundred nineteen".