3291984 has 30 divisors (see below), whose sum is σ = 9213386. Its totient is φ = 1097280.

The previous prime is 3291979. The next prime is 3291991. The reversal of 3291984 is 4891923.

3291984 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 51984 = 1800^2 + 228^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11287 + ... + 11574.

Almost surely, 2^3291984 is an apocalyptic number.

It is an amenable number.

3291984 is an abundant number, since it is smaller than the sum of its proper divisors (5921402).

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

3291984 is a wasteful number, since it uses less digits than its factorization.

3291984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22875 (or 22866 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3291984 is about 1814.3825395985. The cubic root of 3291984 is about 148.7599094215.

The spelling of 3291984 in words is "three million, two hundred ninety-one thousand, nine hundred eighty-four".