3387994 has 16 divisors (see below), whose sum is σ = 5281920. Its totient is φ = 1628640.

The previous prime is 3387991. The next prime is 3387997. The reversal of 3387994 is 4997833.

It is an interprime number because it is at equal distance from previous prime (3387991) and next prime (3387997).

It is a super-2 number, since 2×3387994² = 22957006688072, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3387994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6217 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (330120).

Almost surely, 2^3387994 is an apocalyptic number.

3387994 is a deficient number, since it is larger than the sum of its proper divisors (1893926).

3387994 is a wasteful number, since it uses less digits than its factorization.

3387994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

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

The square root of 3387994 is about 1840.6504285171. The cubic root of 3387994 is about 150.1922571796.

The spelling of 3387994 in words is "three million, three hundred eighty-seven thousand, nine hundred ninety-four".