2756426 has 12 divisors (see below), whose sum is σ = 4268502. Its totient is φ = 1334016.

The previous prime is 2756423. The next prime is 2756437. The reversal of 2756426 is 6246572.

It can be written as a sum of positive squares in 3 ways, for example, as 2265025 + 491401 = 1505^2 + 701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2756392 and 2756401.

It is not an unprimeable number, because it can be changed into a prime (2756423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14186 + ... + 14378.

2^2756426 is an apocalyptic number.

2756426 is a deficient number, since it is larger than the sum of its proper divisors (1512076).

2756426 is an equidigital number, since it uses as much as digits as its factorization.

2756426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 232 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 2756426 is about 1660.2487765392. The cubic root of 2756426 is about 140.2110083386.

The spelling of 2756426 in words is "two million, seven hundred fifty-six thousand, four hundred twenty-six".