2207984 has 10 divisors (see below), whose sum is σ = 4278000. Its totient is φ = 1103984.

The previous prime is 2207983. The next prime is 2207987. The reversal of 2207984 is 4897022.

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 2207984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68984 + ... + 69015.

It is an arithmetic number, because the mean of its divisors is an integer number (427800).

2^2207984 is an apocalyptic number.

It is an amenable number.

2207984 is a deficient number, since it is larger than the sum of its proper divisors (2070016).

2207984 is a wasteful number, since it uses less digits than its factorization.

2207984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138007 (or 138001 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2207984 is about 1485.9286658518. The cubic root of 2207984 is about 130.2162868969.

The spelling of 2207984 in words is "two million, two hundred seven thousand, nine hundred eighty-four".