1880428 has 12 divisors (see below), whose sum is σ = 3589992. Its totient is φ = 854720.

The previous prime is 1880413. The next prime is 1880441. The reversal of 1880428 is 8240881.

It is a self number, because there is not a number n which added to its sum of digits gives 1880428.

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 3 ways as a sum of consecutive naturals, for example, 21325 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (299166).

2^1880428 is an apocalyptic number.

It is an amenable number.

1880428 is a deficient number, since it is larger than the sum of its proper divisors (1709564).

1880428 is a wasteful number, since it uses less digits than its factorization.

1880428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42752 (or 42750 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 1880428 is about 1371.2869867391. The cubic root of 1880428 is about 123.4294810686.

The spelling of 1880428 in words is "one million, eight hundred eighty thousand, four hundred twenty-eight".