1923480 has 128 divisors (see below), whose sum is σ = 6955200. Its totient is φ = 470016.

The previous prime is 1923479. The next prime is 1923491. The reversal of 1923480 is 843291.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13972 + ... + 14108.

2^1923480 is an apocalyptic number.

1923480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1923480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3477600).

1923480 is an abundant number, since it is smaller than the sum of its proper divisors (5031720).

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

1923480 is a wasteful number, since it uses less digits than its factorization.

1923480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1923480 is about 1386.8958143999. The cubic root of 1923480 is about 124.3643463683.

The spelling of 1923480 in words is "one million, nine hundred twenty-three thousand, four hundred eighty".