3872087 has 4 divisors (see below), whose sum is σ = 3976776. Its totient is φ = 3767400.

The previous prime is 3872059. The next prime is 3872101. The reversal of 3872087 is 7802783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7802783 = 601 ⋅12983.

It is a cyclic number.

It is not a de Polignac number, because 3872087 - 2⁶ = 3872023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872017) 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 3 ways as a sum of consecutive naturals, for example, 52289 + ... + 52362.

It is an arithmetic number, because the mean of its divisors is an integer number (994194).

Almost surely, 2^3872087 is an apocalyptic number.

3872087 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3872087 is a deficient number, since it is larger than the sum of its proper divisors (104689).

3872087 is a wasteful number, since it uses less digits than its factorization.

3872087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104688.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3872087 is about 1967.7619266568. The cubic root of 3872087 is about 157.0296642935.

The spelling of 3872087 in words is "three million, eight hundred seventy-two thousand, eighty-seven".