3723869 has 2 divisors, whose sum is σ = 3723870. Its totient is φ = 3723868.

The previous prime is 3723847. The next prime is 3723871. The reversal of 3723869 is 9683273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3667225 + 56644 = 1915^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 3723869 - 2²⁰ = 2675293 is a prime.

It is a super-2 number, since 2×3723869² = 27734400658322, which contains 22 as substring.

Together with 3723871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3723809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861934 + 1861935.

It is an arithmetic number, because the mean of its divisors is an integer number (1861935).

Almost surely, 2^3723869 is an apocalyptic number.

It is an amenable number.

3723869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3723869 is an equidigital number, since it uses as much as digits as its factorization.

3723869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 3723869 is about 1929.7328830696. The cubic root of 3723869 is about 154.9999167533. Note that the first 4 decimals are identical.

The spelling of 3723869 in words is "three million, seven hundred twenty-three thousand, eight hundred sixty-nine".