3874739 has 4 divisors (see below), whose sum is σ = 4227000. Its totient is φ = 3522480.

The previous prime is 3874733. The next prime is 3874747. The reversal of 3874739 is 9374783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9374783 = 11 ⋅852253.

It is a cyclic number.

It is not a de Polignac number, because 3874739 - 2⁴ = 3874723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3874696 and 3874705.

It is not an unprimeable number, because it can be changed into a prime (3874733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176114 + ... + 176135.

It is an arithmetic number, because the mean of its divisors is an integer number (1056750).

Almost surely, 2^3874739 is an apocalyptic number.

3874739 is a deficient number, since it is larger than the sum of its proper divisors (352261).

3874739 is a wasteful number, since it uses less digits than its factorization.

3874739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352260.

The product of its digits is 127008, while the sum is 41.

The square root of 3874739 is about 1968.4356733203. The cubic root of 3874739 is about 157.0655060873.

The spelling of 3874739 in words is "three million, eight hundred seventy-four thousand, seven hundred thirty-nine".