1925930 has 16 divisors (see below), whose sum is σ = 3670920. Its totient is φ = 724992.

The previous prime is 1925929. The next prime is 1925933. The reversal of 1925930 is 395291.

It can be written as a sum of positive squares in 4 ways, for example, as 1646089 + 279841 = 1283^2 + 529^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1925893 and 1925902.

It is not an unprimeable number, because it can be changed into a prime (1925933) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5495 + ... + 5834.

2^1925930 is an apocalyptic number.

1925930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1925930 is a deficient number, since it is larger than the sum of its proper divisors (1744990).

1925930 is a wasteful number, since it uses less digits than its factorization.

1925930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1925930 is about 1387.7788008181. The cubic root of 1925930 is about 124.4171262905.

The spelling of 1925930 in words is "one million, nine hundred twenty-five thousand, nine hundred thirty".