3987051 has 8 divisors (see below), whose sum is σ = 5383680. Its totient is φ = 2624232.

The previous prime is 3987037. The next prime is 3987077. The reversal of 3987051 is 1507893.

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

It is not a de Polignac number, because 3987051 - 2⁵ = 3987019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3987001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (672960).

Almost surely, 2^3987051 is an apocalyptic number.

3987051 is a deficient number, since it is larger than the sum of its proper divisors (1396629).

3987051 is a wasteful number, since it uses less digits than its factorization.

3987051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3987051 is about 1996.7601258038. The cubic root of 3987051 is about 158.5686262215.

The spelling of 3987051 in words is "three million, nine hundred eighty-seven thousand, fifty-one".