2147924 has 24 divisors (see below), whose sum is σ = 4034688. Its totient is φ = 997920.

The previous prime is 2147923. The next prime is 2147941. The reversal of 2147924 is 4297412.

It is a super-2 number, since 2×2147924² = 9227155019552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147923) 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, 3089 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (168112).

2^2147924 is an apocalyptic number.

It is an amenable number.

2147924 is a deficient number, since it is larger than the sum of its proper divisors (1886764).

2147924 is a wasteful number, since it uses less digits than its factorization.

2147924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 693 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 2147924 is about 1465.5797487684. The cubic root of 2147924 is about 129.0247333542.

The spelling of 2147924 in words is "two million, one hundred forty-seven thousand, nine hundred twenty-four".