2098780 has 24 divisors (see below), whose sum is σ = 4455360. Its totient is φ = 830400.

The previous prime is 2098777. The next prime is 2098781. The reversal of 2098780 is 878902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501 + ... + 2539.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

2^2098780 is an apocalyptic number.

2098780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2098780 is an abundant number, since it is smaller than the sum of its proper divisors (2356580).

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

2098780 is a wasteful number, since it uses less digits than its factorization.

2098780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2098780 is about 1448.7166734735. The cubic root of 2098780 is about 128.0331131778.

The spelling of 2098780 in words is "two million, ninety-eight thousand, seven hundred eighty".