1920544 has 12 divisors (see below), whose sum is σ = 3781134. Its totient is φ = 960256.

The previous prime is 1920533. The next prime is 1920551. The reversal of 1920544 is 4450291.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 620944 = 1140^2 + 788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29977 + ... + 30040.

2^1920544 is an apocalyptic number.

It is an amenable number.

1920544 is a deficient number, since it is larger than the sum of its proper divisors (1860590).

1920544 is an equidigital number, since it uses as much as digits as its factorization.

1920544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60027 (or 60019 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1920544 is about 1385.8369312441. The cubic root of 1920544 is about 124.3010375636.

The spelling of 1920544 in words is "one million, nine hundred twenty thousand, five hundred forty-four".