1930330 has 16 divisors (see below), whose sum is σ = 3502440. Its totient is φ = 765952.

The previous prime is 1930309. The next prime is 1930349. The reversal of 1930330 is 330391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1022121 + 908209 = 1011^2 + 953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1930298 and 1930307.

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, 666 + ... + 2074.

2^1930330 is an apocalyptic number.

1930330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1930330 is a deficient number, since it is larger than the sum of its proper divisors (1572110).

1930330 is a wasteful number, since it uses less digits than its factorization.

1930330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1930330 is about 1389.3631634673. The cubic root of 1930330 is about 124.5118024542.

The spelling of 1930330 in words is "one million, nine hundred thirty thousand, three hundred thirty".