3331987 has 8 divisors (see below), whose sum is σ = 3495456. Its totient is φ = 3170112.

The previous prime is 3331981. The next prime is 3331997. The reversal of 3331987 is 7891333.

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 3331987 - 2¹¹ = 3329939 is a prime.

It is a super-2 number, since 2×3331987² = 22204274736338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7063 + ... + 7519.

It is an arithmetic number, because the mean of its divisors is an integer number (436932).

Almost surely, 2^3331987 is an apocalyptic number.

3331987 is a deficient number, since it is larger than the sum of its proper divisors (163469).

3331987 is a wasteful number, since it uses less digits than its factorization.

3331987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its digits is 13608, while the sum is 34.

The square root of 3331987 is about 1825.3731125444. The cubic root of 3331987 is about 149.3600439616.

The spelling of 3331987 in words is "three million, three hundred thirty-one thousand, nine hundred eighty-seven".