3987794 has 8 divisors (see below), whose sum is σ = 5991408. Its totient is φ = 1990660.

The previous prime is 3987791. The next prime is 3987799. The reversal of 3987794 is 4977893.

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

It is not an unprimeable number, because it can be changed into a prime (3987791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (748926).

Almost surely, 2^3987794 is an apocalyptic number.

3987794 is a deficient number, since it is larger than the sum of its proper divisors (2003614).

3987794 is a wasteful number, since it uses less digits than its factorization.

3987794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240.

The product of its digits is 381024, while the sum is 47.

The square root of 3987794 is about 1996.9461685283. The cubic root of 3987794 is about 158.5784755372.

Subtracting 3987794 from its reverse (4977893), we obtain a palindrome (990099).

It can be divided in two parts, 398 and 7794, that added together give a 13-th power (8192 = 2¹³).

The spelling of 3987794 in words is "three million, nine hundred eighty-seven thousand, seven hundred ninety-four".