3987332 has 18 divisors (see below), whose sum is σ = 7164234. Its totient is φ = 1941760.

The previous prime is 3987323. The next prime is 3987353. The reversal of 3987332 is 2337893.

Added to its reverse (2337893) it gives a square (6325225 = 2515²).

It can be written as a sum of positive squares in 3 ways, for example, as 51076 + 3936256 = 226^2 + 1984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3987292 and 3987301.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6428 + ... + 7020.

It is an arithmetic number, because the mean of its divisors is an integer number (398013).

Almost surely, 2^3987332 is an apocalyptic number.

It is an amenable number.

3987332 is a deficient number, since it is larger than the sum of its proper divisors (3176902).

3987332 is a wasteful number, since it uses less digits than its factorization.

3987332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 636 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 3987332 is about 1996.8304885493. The cubic root of 3987332 is about 158.5723513421.

Adding to 3987332 its reverse (2337893), we get a square (6325225 = 2515²).

The spelling of 3987332 in words is "three million, nine hundred eighty-seven thousand, three hundred thirty-two".