3712869 has 12 divisors (see below), whose sum is σ = 5419596. Its totient is φ = 2449152.

The previous prime is 3712843. The next prime is 3712871. The reversal of 3712869 is 9682173.

3712869 = 30² + 31² + ... + 223².

3712869 is a `hidden beast` number, since 371 + 286 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 950625 + 2762244 = 975^2 + 1662^2 .

It is not a de Polignac number, because 3712869 - 2¹¹ = 3710821 is a prime.

It is a super-2 number, since 2×3712869² = 27570792422322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3712889) 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, 1254 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (451633).

Almost surely, 2^3712869 is an apocalyptic number.

It is an amenable number.

3712869 is a deficient number, since it is larger than the sum of its proper divisors (1706727).

3712869 is a wasteful number, since it uses less digits than its factorization.

3712869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4353 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3712869 is about 1926.8806397906. The cubic root of 3712869 is about 154.8471472679.

It can be divided in two parts, 371 and 2869, that added together give a triangular number (3240 = T₈₀).

The spelling of 3712869 in words is "three million, seven hundred twelve thousand, eight hundred sixty-nine".