4291984 has 40 divisors (see below), whose sum is σ = 8838720. Its totient is φ = 2014848.

The previous prime is 4291979. The next prime is 4292009. The reversal of 4291984 is 4891924.

It is a happy number.

It is a super-2 number, since 2×4291984² = 36842253312512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39322 + ... + 39430.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

Almost surely, 2^4291984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4291984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4419360).

4291984 is an abundant number, since it is smaller than the sum of its proper divisors (4546736).

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

4291984 is a wasteful number, since it uses less digits than its factorization.

4291984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 4291984 is about 2071.7104044726. The cubic root of 4291984 is about 162.5122231437.

The spelling of 4291984 in words is "four million, two hundred ninety-one thousand, nine hundred eighty-four".