3349987 has 4 divisors (see below), whose sum is σ = 3431736. Its totient is φ = 3268240.

The previous prime is 3349939. The next prime is 3349999. The reversal of 3349987 is 7899433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7899433 = 659 ⋅11987.

It is a cyclic number.

It is not a de Polignac number, because 3349987 - 2⁷ = 3349859 is a prime.

It is a super-2 number, since 2×3349987² = 22444825800338, which contains 22 as substring.

It is a Duffinian number.

3349987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3344987) 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 3 ways as a sum of consecutive naturals, for example, 40813 + ... + 40894.

It is an arithmetic number, because the mean of its divisors is an integer number (857934).

Almost surely, 2^3349987 is an apocalyptic number.

3349987 is a deficient number, since it is larger than the sum of its proper divisors (81749).

3349987 is an equidigital number, since it uses as much as digits as its factorization.

3349987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81748.

The product of its digits is 163296, while the sum is 43.

The square root of 3349987 is about 1830.2969704395. The cubic root of 3349987 is about 149.6285178030.

The spelling of 3349987 in words is "three million, three hundred forty-nine thousand, nine hundred eighty-seven".