3976869 has 16 divisors (see below), whose sum is σ = 5769792. Its totient is φ = 2421888.

The previous prime is 3976867. The next prime is 3976873. The reversal of 3976869 is 9686793.

It is a happy number.

It is not a de Polignac number, because 3976869 - 2¹ = 3976867 is a prime.

It is a super-2 number, since 2×3976869² = 31630974086322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697 + ... + 4649.

It is an arithmetic number, because the mean of its divisors is an integer number (360612).

Almost surely, 2^3976869 is an apocalyptic number.

3976869 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3976869 is a deficient number, since it is larger than the sum of its proper divisors (1792923).

3976869 is a wasteful number, since it uses less digits than its factorization.

3976869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its digits is 489888, while the sum is 48.

The square root of 3976869 is about 1994.2088656909. The cubic root of 3976869 is about 158.4335287024.

The spelling of 3976869 in words is "three million, nine hundred seventy-six thousand, eight hundred sixty-nine".