1938836522 has 8 divisors (see below), whose sum is σ = 3323719776. Its totient is φ = 830929932.

The previous prime is 1938836509. The next prime is 1938836533. The reversal of 1938836522 is 2256388391.

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

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 in 3 ways as a sum of consecutive naturals, for example, 69244148 + ... + 69244175.

It is an arithmetic number, because the mean of its divisors is an integer number (415464972).

Almost surely, 2^1938836522 is an apocalyptic number.

1938836522 is a deficient number, since it is larger than the sum of its proper divisors (1384883254).

1938836522 is a wasteful number, since it uses less digits than its factorization.

1938836522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138488332.

The product of its digits is 622080, while the sum is 47.

The square root of 1938836522 is about 44032.2214066018. The cubic root of 1938836522 is about 1246.9443277403.

The spelling of 1938836522 in words is "one billion, nine hundred thirty-eight million, eight hundred thirty-six thousand, five hundred twenty-two".