2998890 has 64 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 770112.

The previous prime is 2998883. The next prime is 2998921. The reversal of 2998890 is 988992.

2998890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7639 + ... + 8021.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^2998890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2998890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4147200).

2998890 is an abundant number, since it is smaller than the sum of its proper divisors (5295510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2998890 is a wasteful number, since it uses less digits than its factorization.

2998890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2998890 is about 1731.7303485243. The cubic root of 2998890 is about 144.2071670918.

The spelling of 2998890 in words is "two million, nine hundred ninety-eight thousand, eight hundred ninety".