3671145 has 24 divisors (see below), whose sum is σ = 6641856. Its totient is φ = 1872288.

The previous prime is 3671119. The next prime is 3671147. The reversal of 3671145 is 5411763.

It is not a de Polignac number, because 3671145 - 2⁹ = 3670633 is a prime.

It is a super-2 number, since 2×3671145² = 26954611222050, which contains 22 as substring.

It is an Ulam number.

3671145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3671147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (276744).

Almost surely, 2^3671145 is an apocalyptic number.

It is an amenable number.

3671145 is a deficient number, since it is larger than the sum of its proper divisors (2970711).

3671145 is a wasteful number, since it uses less digits than its factorization.

3671145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581 (or 3578 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 3671145 is about 1916.0232253290. The cubic root of 3671145 is about 154.2649204046.

The spelling of 3671145 in words is "three million, six hundred seventy-one thousand, one hundred forty-five".