3810939 has 16 divisors (see below), whose sum is σ = 5785344. Its totient is φ = 2208800.

The previous prime is 3810931. The next prime is 3810979. The reversal of 3810939 is 9390183.

3810939 = 396² + 397² + ... + 418².

It is not a de Polignac number, because 3810939 - 2³ = 3810931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3810931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 3269.

It is an arithmetic number, because the mean of its divisors is an integer number (361584).

Almost surely, 2^3810939 is an apocalyptic number.

3810939 is a deficient number, since it is larger than the sum of its proper divisors (1974405).

3810939 is a wasteful number, since it uses less digits than its factorization.

3810939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 3810939 is about 1952.1626469124. The cubic root of 3810939 is about 156.1986702862.

The spelling of 3810939 in words is "three million, eight hundred ten thousand, nine hundred thirty-nine".