3987395 has 8 divisors (see below), whose sum is σ = 4993056. Its totient is φ = 3051136.

The previous prime is 3987353. The next prime is 3987407. The reversal of 3987395 is 5937893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3987395 - 2¹² = 3983299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17222 + ... + 17451.

It is an arithmetic number, because the mean of its divisors is an integer number (624132).

Almost surely, 2^3987395 is an apocalyptic number.

3987395 is a deficient number, since it is larger than the sum of its proper divisors (1005661).

3987395 is a wasteful number, since it uses less digits than its factorization.

3987395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34701.

The product of its digits is 204120, while the sum is 44.

The square root of 3987395 is about 1996.8462634865. The cubic root of 3987395 is about 158.5731864875.

The spelling of 3987395 in words is "three million, nine hundred eighty-seven thousand, three hundred ninety-five".