3387890 has 32 divisors (see below), whose sum is σ = 7007040. Its totient is φ = 1166400.

The previous prime is 3387887. The next prime is 3387893. The reversal of 3387890 is 987833.

It is an interprime number because it is at equal distance from previous prime (3387887) and next prime (3387893).

It is a super-2 number, since 2×3387890² = 22955597304200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3387893) 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, 1280 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (218970).

Almost surely, 2^3387890 is an apocalyptic number.

3387890 is an abundant number, since it is smaller than the sum of its proper divisors (3619150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3387890 is a wasteful number, since it uses less digits than its factorization.

3387890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3387890 is about 1840.6221774172. The cubic root of 3387890 is about 150.1907203651.

It can be divided in two parts, 338 and 7890, that added together give a palindrome (8228).

The spelling of 3387890 in words is "three million, three hundred eighty-seven thousand, eight hundred ninety".