1873399242 has 64 divisors (see below), whose sum is σ = 4419878400. Its totient is φ = 521880000.

The previous prime is 1873399237. The next prime is 1873399249. The reversal of 1873399242 is 2429933781.

It is a junction number, because it is equal to n+sod(n) for n = 1873399191 and 1873399200.

It is not an unprimeable number, because it can be changed into a prime (1873399249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211009 + ... + 219707.

It is an arithmetic number, because the mean of its divisors is an integer number (69060600).

Almost surely, 2^1873399242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873399242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209939200).

1873399242 is an abundant number, since it is smaller than the sum of its proper divisors (2546479158).

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

1873399242 is a wasteful number, since it uses less digits than its factorization.

1873399242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979.

The product of its digits is 653184, while the sum is 48.

The square root of 1873399242 is about 43282.7822811797. The cubic root of 1873399242 is about 1232.7550209248.

The spelling of 1873399242 in words is "one billion, eight hundred seventy-three million, three hundred ninety-nine thousand, two hundred forty-two".