1920488 has 16 divisors (see below), whose sum is σ = 3655680. Its totient is φ = 945648.

The previous prime is 1920487. The next prime is 1920497. The reversal of 1920488 is 8840291.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1920487) 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, 1256 + ... + 2327.

It is an arithmetic number, because the mean of its divisors is an integer number (228480).

2^1920488 is an apocalyptic number.

It is an amenable number.

1920488 is a deficient number, since it is larger than the sum of its proper divisors (1735192).

1920488 is a wasteful number, since it uses less digits than its factorization.

1920488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1920488 is about 1385.8167266995. The cubic root of 1920488 is about 124.2998294119.

The spelling of 1920488 in words is "one million, nine hundred twenty thousand, four hundred eighty-eight".