2016724 has 6 divisors (see below), whose sum is σ = 3529274. Its totient is φ = 1008360.

The previous prime is 2016697. The next prime is 2016733. The reversal of 2016724 is 4276102.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 324 = 1420^2 + 18^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2016695 and 2016704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252087 + ... + 252094.

2^2016724 is an apocalyptic number.

It is an amenable number.

2016724 is a deficient number, since it is larger than the sum of its proper divisors (1512550).

2016724 is a wasteful number, since it uses less digits than its factorization.

2016724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504185 (or 504183 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2016724 is about 1420.1140799246. The cubic root of 2016724 is about 126.3423126443.

The spelling of 2016724 in words is "two million, sixteen thousand, seven hundred twenty-four".