3987095 has 16 divisors (see below), whose sum is σ = 5790528. Its totient is φ = 2572800.

The previous prime is 3987079. The next prime is 3987107. The reversal of 3987095 is 5907893.

It is not a de Polignac number, because 3987095 - 2⁴ = 3987079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2756 + ... + 3945.

It is an arithmetic number, because the mean of its divisors is an integer number (361908).

Almost surely, 2^3987095 is an apocalyptic number.

3987095 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3987095 is a deficient number, since it is larger than the sum of its proper divisors (1803433).

3987095 is a wasteful number, since it uses less digits than its factorization.

3987095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 3987095 is about 1996.7711436216. The cubic root of 3987095 is about 158.5692095260.

The spelling of 3987095 in words is "three million, nine hundred eighty-seven thousand, ninety-five".