2563796 has 6 divisors (see below), whose sum is σ = 4486650. Its totient is φ = 1281896.

The previous prime is 2563777. The next prime is 2563811. The reversal of 2563796 is 6973652.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 48400 = 1586^2 + 220^2 .

It is a plaindrome in base 15.

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, 320471 + ... + 320478.

It is an arithmetic number, because the mean of its divisors is an integer number (747775).

2^2563796 is an apocalyptic number.

It is an amenable number.

2563796 is a deficient number, since it is larger than the sum of its proper divisors (1922854).

2563796 is a wasteful number, since it uses less digits than its factorization.

2563796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640953 (or 640951 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 2563796 is about 1601.1858105791. The cubic root of 2563796 is about 136.8656576403.

The spelling of 2563796 in words is "two million, five hundred sixty-three thousand, seven hundred ninety-six".