2998561 has 8 divisors (see below), whose sum is σ = 3190880. Its totient is φ = 2809728.

The previous prime is 2998549. The next prime is 2998573. The reversal of 2998561 is 1658992.

It is an interprime number because it is at equal distance from previous prime (2998549) and next prime (2998573).

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

It is a cyclic number.

It is not a de Polignac number, because 2998561 - 2¹³ = 2990369 is a prime.

It is a Duffinian number.

2998561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2998531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (398860).

2^2998561 is an apocalyptic number.

It is an amenable number.

2998561 is a deficient number, since it is larger than the sum of its proper divisors (192319).

2998561 is a wasteful number, since it uses less digits than its factorization.

2998561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743.

The product of its digits is 38880, while the sum is 40.

The square root of 2998561 is about 1731.6353542244. The cubic root of 2998561 is about 144.2018933746.

The spelling of 2998561 in words is "two million, nine hundred ninety-eight thousand, five hundred sixty-one".