1923372 has 48 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 582480.

The previous prime is 1923353. The next prime is 1923377. The reversal of 1923372 is 2733291.

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

It is not an unprimeable number, because it can be changed into a prime (1923377) 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 15 ways as a sum of consecutive naturals, for example, 379 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1923372 is an apocalyptic number.

1923372 is a gapful number since it is divisible by the number (12) 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 1923372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

1923372 is an abundant number, since it is smaller than the sum of its proper divisors (3519828).

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

1923372 is a wasteful number, since it uses less digits than its factorization.

1923372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1635 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1923372 is about 1386.8568779798. The cubic root of 1923372 is about 124.3620187120.

The spelling of 1923372 in words is "one million, nine hundred twenty-three thousand, three hundred seventy-two".