3987346 has 8 divisors (see below), whose sum is σ = 6524784. Its totient is φ = 1812420.

The previous prime is 3987323. The next prime is 3987353. The reversal of 3987346 is 6437893.

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

It is a junction number, because it is equal to n+sod(n) for n = 3987299 and 3987308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90600 + ... + 90643.

It is an arithmetic number, because the mean of its divisors is an integer number (815598).

Almost surely, 2^3987346 is an apocalyptic number.

3987346 is a deficient number, since it is larger than the sum of its proper divisors (2537438).

3987346 is a wasteful number, since it uses less digits than its factorization.

3987346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181256.

The product of its digits is 108864, while the sum is 40.

The square root of 3987346 is about 1996.8339941017. The cubic root of 3987346 is about 158.5725369307.

It can be divided in two parts, 398 and 7346, that added together give a square (7744 = 88²).

The spelling of 3987346 in words is "three million, nine hundred eighty-seven thousand, three hundred forty-six".