1938160 has 40 divisors (see below), whose sum is σ = 5151456. Its totient is φ = 664320.

The previous prime is 1938149. The next prime is 1938161. The reversal of 1938160 is 618391.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171 + ... + 2290.

2^1938160 is an apocalyptic number.

1938160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1938160 is an abundant number, since it is smaller than the sum of its proper divisors (3213296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1938160 is a wasteful number, since it uses less digits than its factorization.

1938160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1938160 is about 1392.1781495197. The cubic root of 1938160 is about 124.6799277965.

The spelling of 1938160 in words is "one million, nine hundred thirty-eight thousand, one hundred sixty".