1939577372 has 48 divisors (see below), whose sum is σ = 3581104128. Its totient is φ = 917991360.

The previous prime is 1939577359. The next prime is 1939577383. The reversal of 1939577372 is 2737759391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303613 + ... + 1305099.

It is an arithmetic number, because the mean of its divisors is an integer number (74606336).

Almost surely, 2^1939577372 is an apocalyptic number.

It is an amenable number.

1939577372 is a deficient number, since it is larger than the sum of its proper divisors (1641526756).

1939577372 is a wasteful number, since it uses less digits than its factorization.

1939577372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1744 counting only the distinct ones).

The product of its digits is 2500470, while the sum is 53.

The square root of 1939577372 is about 44040.6331925416. The cubic root of 1939577372 is about 1247.1031310665.

The spelling of 1939577372 in words is "one billion, nine hundred thirty-nine million, five hundred seventy-seven thousand, three hundred seventy-two".