1963930 has 16 divisors (see below), whose sum is σ = 3552840. Its totient is φ = 781632.

The previous prime is 1963921. The next prime is 1963981. The reversal of 1963930 is 393691.

It can be written as a sum of positive squares in 4 ways, for example, as 859329 + 1104601 = 927^2 + 1051^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1963892 and 1963901.

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, 2416 + ... + 3124.

2^1963930 is an apocalyptic number.

1963930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1963930 is a deficient number, since it is larger than the sum of its proper divisors (1588910).

1963930 is a wasteful number, since it uses less digits than its factorization.

1963930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1963930 is about 1401.4028685571. The cubic root of 1963930 is about 125.2300829017.

The spelling of 1963930 in words is "one million, nine hundred sixty-three thousand, nine hundred thirty".