2566498 has 16 divisors (see below), whose sum is σ = 4298976. Its totient is φ = 1139040.

The previous prime is 2566489. The next prime is 2566513. The reversal of 2566498 is 8946652.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁹ + 6 + 6 + 4⁷ + 9⁶ + 8⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2566498.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (268686).

2^2566498 is an apocalyptic number.

2566498 is a deficient number, since it is larger than the sum of its proper divisors (1732478).

2566498 is a wasteful number, since it uses less digits than its factorization.

2566498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769.

The product of its digits is 103680, while the sum is 40.

The square root of 2566498 is about 1602.0293380585. The cubic root of 2566498 is about 136.9137219386.

The spelling of 2566498 in words is "two million, five hundred sixty-six thousand, four hundred ninety-eight".