1938472 has 8 divisors (see below), whose sum is σ = 3634650. Its totient is φ = 969232.

The previous prime is 1938451. The next prime is 1938491. The reversal of 1938472 is 2748391.

It can be written as a sum of positive squares in only one way, i.e., 1153476 + 784996 = 1074^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121147 + ... + 121162.

2^1938472 is an apocalyptic number.

It is an amenable number.

1938472 is a deficient number, since it is larger than the sum of its proper divisors (1696178).

1938472 is a wasteful number, since it uses less digits than its factorization.

1938472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242315 (or 242311 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 1938472 is about 1392.2901996351. The cubic root of 1938472 is about 124.6866176553.

The spelling of 1938472 in words is "one million, nine hundred thirty-eight thousand, four hundred seventy-two".