3874705 has 12 divisors (see below), whose sum is σ = 4776156. Its totient is φ = 3017600.

The previous prime is 3874697. The next prime is 3874711. The reversal of 3874705 is 5074783.

It can be written as a sum of positive squares in 6 ways, for example, as 1710864 + 2163841 = 1308^2 + 1471^2 .

It is not a de Polignac number, because 3874705 - 2³ = 3874697 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3874705 is a lucky number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8175 + ... + 8635.

It is an arithmetic number, because the mean of its divisors is an integer number (398013).

Almost surely, 2^3874705 is an apocalyptic number.

It is an amenable number.

3874705 is a deficient number, since it is larger than the sum of its proper divisors (901451).

3874705 is an equidigital number, since it uses as much as digits as its factorization.

3874705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3874705 is about 1968.4270370019. The cubic root of 3874705 is about 157.0650466806.

The spelling of 3874705 in words is "three million, eight hundred seventy-four thousand, seven hundred five".