3390987 has 16 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 2088000.

The previous prime is 3390983. The next prime is 3390991. The reversal of 3390987 is 7890933.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3390983) and next prime (3390991).

It is not a de Polignac number, because 3390987 - 2² = 3390983 is a prime.

It is a super-2 number, since 2×3390987² = 22997585668338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3390983) 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 15 ways as a sum of consecutive naturals, for example, 1612 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^3390987 is an apocalyptic number.

3390987 is a deficient number, since it is larger than the sum of its proper divisors (1487733).

3390987 is a wasteful number, since it uses less digits than its factorization.

3390987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3390987 is about 1841.4632768535. The cubic root of 3390987 is about 150.2364714569.

The spelling of 3390987 in words is "three million, three hundred ninety thousand, nine hundred eighty-seven".