3872911 has 6 divisors (see below), whose sum is σ = 4505280. Its totient is φ = 3319596.

The previous prime is 3872899. The next prime is 3872917. The reversal of 3872911 is 1192783.

It is not a de Polignac number, because 3872911 - 2¹¹ = 3870863 is a prime.

It is a super-2 number, since 2×3872911² = 29998879227842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39471 + ... + 39568.

It is an arithmetic number, because the mean of its divisors is an integer number (750880).

Almost surely, 2^3872911 is an apocalyptic number.

3872911 is a deficient number, since it is larger than the sum of its proper divisors (632369).

3872911 is an equidigital number, since it uses as much as digits as its factorization.

3872911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79053 (or 79046 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 3872911 is about 1967.9712904410. The cubic root of 3872911 is about 157.0408024098.

The spelling of 3872911 in words is "three million, eight hundred seventy-two thousand, nine hundred eleven".