1930220 has 24 divisors (see below), whose sum is σ = 4097184. Its totient is φ = 763776.

The previous prime is 1930219. The next prime is 1930237. The reversal of 1930220 is 220391.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (170716).

2^1930220 is an apocalyptic number.

1930220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930220 is an abundant number, since it is smaller than the sum of its proper divisors (2166964).

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

1930220 is a wasteful number, since it uses less digits than its factorization.

1930220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1930220 is about 1389.3235764213. The cubic root of 1930220 is about 124.5094373044.

The spelling of 1930220 in words is "one million, nine hundred thirty thousand, two hundred twenty".