3671247 has 4 divisors (see below), whose sum is σ = 4895000. Its totient is φ = 2447496.

The previous prime is 3671231. The next prime is 3671267. The reversal of 3671247 is 7421763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7421763 = 3 ⋅2473921.

It is not a de Polignac number, because 3671247 - 2⁴ = 3671231 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671267) 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, 611872 + ... + 611877.

It is an arithmetic number, because the mean of its divisors is an integer number (1223750).

Almost surely, 2^3671247 is an apocalyptic number.

3671247 is a deficient number, since it is larger than the sum of its proper divisors (1223753).

3671247 is a wasteful number, since it uses less digits than its factorization.

3671247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223752.

The product of its digits is 7056, while the sum is 30.

The square root of 3671247 is about 1916.0498427755. The cubic root of 3671247 is about 154.2663491029.

The spelling of 3671247 in words is "three million, six hundred seventy-one thousand, two hundred forty-seven".