1829399944 has 16 divisors (see below), whose sum is σ = 3579261120. Its totient is φ = 874930320.

The previous prime is 1829399939. The next prime is 1829399963. The reversal of 1829399944 is 4499939281.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4971012 + ... + 4971379.

It is an arithmetic number, because the mean of its divisors is an integer number (223703820).

Almost surely, 2^1829399944 is an apocalyptic number.

It is an amenable number.

1829399944 is a deficient number, since it is larger than the sum of its proper divisors (1749861176).

1829399944 is a wasteful number, since it uses less digits than its factorization.

1829399944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942420 (or 9942416 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 58.

The square root of 1829399944 is about 42771.4851741204. The cubic root of 1829399944 is about 1223.0274947816.

The spelling of 1829399944 in words is "one billion, eight hundred twenty-nine million, three hundred ninety-nine thousand, nine hundred forty-four".