1923520 has 28 divisors (see below), whose sum is σ = 4581144. Its totient is φ = 769280.

The previous prime is 1923491. The next prime is 1923521. The reversal of 1923520 is 253291.

It is a junction number, because it is equal to n+sod(n) for n = 1923491 and 1923500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686 + ... + 3325.

2^1923520 is an apocalyptic number.

1923520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1923520 is an abundant number, since it is smaller than the sum of its proper divisors (2657624).

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

1923520 is an equidigital number, since it uses as much as digits as its factorization.

1923520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1923520 is about 1386.9102350188. The cubic root of 1923520 is about 124.3652084411.

It can be divided in two parts, 1 and 923520, that added together give a 4-th power (923521 = 31⁴).

The spelling of 1923520 in words is "one million, nine hundred twenty-three thousand, five hundred twenty".