2555746 has 8 divisors (see below), whose sum is σ = 4059180. Its totient is φ = 1202688.

The previous prime is 2555731. The next prime is 2555753. The reversal of 2555746 is 6475552.

2555746 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 2436721 + 119025 = 1561^2 + 345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 75169 = 2555746 / (2 + 5 + 5 + 5 + 7 + 4 + 6).

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, 37551 + ... + 37618.

2^2555746 is an apocalyptic number.

2555746 is a deficient number, since it is larger than the sum of its proper divisors (1503434).

2555746 is a wasteful number, since it uses less digits than its factorization.

2555746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75188.

The product of its digits is 42000, while the sum is 34.

The square root of 2555746 is about 1598.6700722788. The cubic root of 2555746 is about 136.7222604149.

The spelling of 2555746 in words is "two million, five hundred fifty-five thousand, seven hundred forty-six".