3938829394 has 16 divisors (see below), whose sum is σ = 5925867840. Its totient is φ = 1963550160.

The previous prime is 3938829383. The next prime is 3938829437. The reversal of 3938829394 is 4939288393.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120099 + ... + 1123609.

It is an arithmetic number, because the mean of its divisors is an integer number (370366740).

Almost surely, 2^3938829394 is an apocalyptic number.

3938829394 is a deficient number, since it is larger than the sum of its proper divisors (1987038446).

3938829394 is a wasteful number, since it uses less digits than its factorization.

3938829394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025.

The product of its digits is 10077696, while the sum is 58.

The square root of 3938829394 is about 62760.0939610514. The cubic root of 3938829394 is about 1579.2675922337.

The spelling of 3938829394 in words is "three billion, nine hundred thirty-eight million, eight hundred twenty-nine thousand, three hundred ninety-four".