2519798 has 4 divisors (see below), whose sum is σ = 3779700. Its totient is φ = 1259898.

The previous prime is 2519767. The next prime is 2519801. The reversal of 2519798 is 8979152.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 629948 + ... + 629951.

It is an arithmetic number, because the mean of its divisors is an integer number (944925).

2^2519798 is an apocalyptic number.

2519798 is a deficient number, since it is larger than the sum of its proper divisors (1259902).

2519798 is a wasteful number, since it uses less digits than its factorization.

2519798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259901.

The product of its digits is 45360, while the sum is 41.

The square root of 2519798 is about 1587.3871613441. The cubic root of 2519798 is about 136.0782061727.

The spelling of 2519798 in words is "two million, five hundred nineteen thousand, seven hundred ninety-eight".