1984752839 has 8 divisors (see below), whose sum is σ = 2116844928. Its totient is φ = 1854365440.

The previous prime is 1984752827. The next prime is 1984752841. The reversal of 1984752839 is 9382574891.

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

It is not a de Polignac number, because 1984752839 - 2²⁴ = 1967975623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984752139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423767 + ... + 428424.

It is an arithmetic number, because the mean of its divisors is an integer number (264605616).

Almost surely, 2^1984752839 is an apocalyptic number.

1984752839 is a deficient number, since it is larger than the sum of its proper divisors (132092089).

1984752839 is a wasteful number, since it uses less digits than its factorization.

1984752839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852345.

The product of its digits is 4354560, while the sum is 56.

The square root of 1984752839 is about 44550.5649683593. The cubic root of 1984752839 is about 1256.7111759297.

The spelling of 1984752839 in words is "one billion, nine hundred eighty-four million, seven hundred fifty-two thousand, eight hundred thirty-nine".