3827969 has 4 divisors (see below), whose sum is σ = 3849300. Its totient is φ = 3806640.

The previous prime is 3827953. The next prime is 3827977. The reversal of 3827969 is 9697283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9697283 = 23 ⋅421621.

It can be written as a sum of positive squares in 2 ways, for example, as 172225 + 3655744 = 415^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 3827969 - 2⁴ = 3827953 is a prime.

It is a super-2 number, since 2×3827969² = 29306693329922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3827939) 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, 10394 + ... + 10755.

It is an arithmetic number, because the mean of its divisors is an integer number (962325).

Almost surely, 2^3827969 is an apocalyptic number.

It is an amenable number.

3827969 is a deficient number, since it is larger than the sum of its proper divisors (21331).

3827969 is a wasteful number, since it uses less digits than its factorization.

3827969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21330.

The product of its digits is 163296, while the sum is 44.

The square root of 3827969 is about 1956.5196140085. The cubic root of 3827969 is about 156.4309936766.

The spelling of 3827969 in words is "three million, eight hundred twenty-seven thousand, nine hundred sixty-nine".