3874047 has 4 divisors (see below), whose sum is σ = 5165400. Its totient is φ = 2582696.

The previous prime is 3874027. The next prime is 3874067. The reversal of 3874047 is 7404783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7404783 = 3 ⋅2468261.

It is an interprime number because it is at equal distance from previous prime (3874027) and next prime (3874067).

It is a cyclic number.

It is not a de Polignac number, because 3874047 - 2⁶ = 3873983 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3873999 and 3874017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874027) 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, 645672 + ... + 645677.

It is an arithmetic number, because the mean of its divisors is an integer number (1291350).

Almost surely, 2^3874047 is an apocalyptic number.

3874047 is a deficient number, since it is larger than the sum of its proper divisors (1291353).

3874047 is a wasteful number, since it uses less digits than its factorization.

3874047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291352.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 3874047 is about 1968.2598913761. The cubic root of 3874047 is about 157.0561552810.

The spelling of 3874047 in words is "three million, eight hundred seventy-four thousand, forty-seven".