1920372 has 12 divisors (see below), whose sum is σ = 4480896. Its totient is φ = 640120.

The previous prime is 1920361. The next prime is 1920377. The reversal of 1920372 is 2730291.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920377) 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, 80004 + ... + 80027.

It is an arithmetic number, because the mean of its divisors is an integer number (373408).

2^1920372 is an apocalyptic number.

1920372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1920372 is an abundant number, since it is smaller than the sum of its proper divisors (2560524).

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

1920372 is a wasteful number, since it uses less digits than its factorization.

1920372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160038 (or 160036 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1920372 is about 1385.7748734914. The cubic root of 1920372 is about 124.2973267371.

The spelling of 1920372 in words is "one million, nine hundred twenty thousand, three hundred seventy-two".