2573816 has 64 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 1002240.

The previous prime is 2573807. The next prime is 2573827. The reversal of 2573816 is 6183752.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43595 + ... + 43653.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^2573816 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 2573816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024000).

2573816 is an abundant number, since it is smaller than the sum of its proper divisors (3474184).

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

2573816 is a wasteful number, since it uses less digits than its factorization.

2573816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 128 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 2573816 is about 1604.3116904143. The cubic root of 2573816 is about 137.0437283822.

The spelling of 2573816 in words is "two million, five hundred seventy-three thousand, eight hundred sixteen".