2606456 has 8 divisors (see below), whose sum is σ = 4887120. Its totient is φ = 1303224.

The previous prime is 2606437. The next prime is 2606459. The reversal of 2606456 is 6546062.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2606456² = 13587225759872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162896 + ... + 162911.

It is an arithmetic number, because the mean of its divisors is an integer number (610890).

2^2606456 is an apocalyptic number.

It is an amenable number.

2606456 is a deficient number, since it is larger than the sum of its proper divisors (2280664).

2606456 is a wasteful number, since it uses less digits than its factorization.

2606456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325813 (or 325809 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2606456 is about 1614.4522290858. The cubic root of 2606456 is about 137.6206060271.

The spelling of 2606456 in words is "two million, six hundred six thousand, four hundred fifty-six".