1927428 has 12 divisors (see below), whose sum is σ = 4497360. Its totient is φ = 642472.

The previous prime is 1927421. The next prime is 1927433. The reversal of 1927428 is 8247291.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1927421) 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, 80298 + ... + 80321.

It is an arithmetic number, because the mean of its divisors is an integer number (374780).

2^1927428 is an apocalyptic number.

It is an amenable number.

1927428 is an abundant number, since it is smaller than the sum of its proper divisors (2569932).

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

1927428 is a wasteful number, since it uses less digits than its factorization.

1927428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160626 (or 160624 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1927428 is about 1388.3184072827. The cubic root of 1927428 is about 124.4493753951.

The spelling of 1927428 in words is "one million, nine hundred twenty-seven thousand, four hundred twenty-eight".