2077898 has 8 divisors (see below), whose sum is σ = 3125892. Its totient is φ = 1035936.

The previous prime is 2077891. The next prime is 2077909. The reversal of 2077898 is 8987702.

It can be written as a sum of positive squares in 2 ways, for example, as 1760929 + 316969 = 1327^2 + 563^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2077891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515 + ... + 2102.

2^2077898 is an apocalyptic number.

2077898 is a deficient number, since it is larger than the sum of its proper divisors (1047994).

2077898 is a wasteful number, since it uses less digits than its factorization.

2077898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2077898 is about 1441.4915885984. The cubic root of 2077898 is about 127.6070714071.

The spelling of 2077898 in words is "two million, seventy-seven thousand, eight hundred ninety-eight".