2801724 has 12 divisors (see below), whose sum is σ = 6537384. Its totient is φ = 933904.

The previous prime is 2801713. The next prime is 2801737. The reversal of 2801724 is 4271082.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2801694 and 2801703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116727 + ... + 116750.

It is an arithmetic number, because the mean of its divisors is an integer number (544782).

2^2801724 is an apocalyptic number.

It is an amenable number.

2801724 is an abundant number, since it is smaller than the sum of its proper divisors (3735660).

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

2801724 is a wasteful number, since it uses less digits than its factorization.

2801724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233484 (or 233482 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2801724 is about 1673.8351173279. The cubic root of 2801724 is about 140.9748961897.

The spelling of 2801724 in words is "two million, eight hundred one thousand, seven hundred twenty-four".