2420798 has 4 divisors (see below), whose sum is σ = 3631200. Its totient is φ = 1210398.

The previous prime is 2420779. The next prime is 2420801. The reversal of 2420798 is 8970242.

2420798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent 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 as a sum of consecutive naturals, namely, 605198 + ... + 605201.

It is an arithmetic number, because the mean of its divisors is an integer number (907800).

2^2420798 is an apocalyptic number.

2420798 is a deficient number, since it is larger than the sum of its proper divisors (1210402).

2420798 is a wasteful number, since it uses less digits than its factorization.

2420798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210401.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2420798 is about 1555.8913843839. The cubic root of 2420798 is about 134.2722244959.

The spelling of 2420798 in words is "two million, four hundred twenty thousand, seven hundred ninety-eight".