3671731 has 12 divisors (see below), whose sum is σ = 4431792. Its totient is φ = 2979504.

The previous prime is 3671669. The next prime is 3671761. The reversal of 3671731 is 1371763.

It is not a de Polignac number, because 3671731 - 2⁹ = 3671219 is a prime.

It is a super-2 number, since 2×3671731² = 26963217072722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3671731.

It is not an unprimeable number, because it can be changed into a prime (3671761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1801 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (369316).

Almost surely, 2^3671731 is an apocalyptic number.

3671731 is a deficient number, since it is larger than the sum of its proper divisors (760061).

3671731 is a wasteful number, since it uses less digits than its factorization.

3671731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1479 counting only the distinct ones).

The product of its digits is 2646, while the sum is 28.

The square root of 3671731 is about 1916.1761401291. The cubic root of 3671731 is about 154.2731280558.

Subtracting from 3671731 its reverse (1371763), we obtain a cube (2299968 = 132³).

The spelling of 3671731 in words is "three million, six hundred seventy-one thousand, seven hundred thirty-one".