3387984 has 20 divisors (see below), whose sum is σ = 8752416. Its totient is φ = 1129312.

The previous prime is 3387971. The next prime is 3387991. The reversal of 3387984 is 4897833.

It is a super-2 number, since 2×3387984² = 22956871168512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35244 + ... + 35339.

Almost surely, 2^3387984 is an apocalyptic number.

It is an amenable number.

3387984 is an abundant number, since it is smaller than the sum of its proper divisors (5364432).

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

3387984 is a wasteful number, since it uses less digits than its factorization.

3387984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70594 (or 70588 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 3387984 is about 1840.6477120840. The cubic root of 3387984 is about 150.1921094103.

It can be divided in two parts, 3387 and 984, that added together give a triangular number (4371 = T₉₃).

The spelling of 3387984 in words is "three million, three hundred eighty-seven thousand, nine hundred eighty-four".