1941930 has 24 divisors (see below), whose sum is σ = 5049252. Its totient is φ = 517824.

The previous prime is 1941889. The next prime is 1941931. The reversal of 1941930 is 391491.

It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 29241 = 1383^2 + 171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1941894 and 1941903.

It is not an unprimeable number, because it can be changed into a prime (1941931) 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 11 ways as a sum of consecutive naturals, for example, 10699 + ... + 10878.

2^1941930 is an apocalyptic number.

1941930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1941930 is an abundant number, since it is smaller than the sum of its proper divisors (3107322).

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

1941930 is a wasteful number, since it uses less digits than its factorization.

1941930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21590 (or 21587 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1941930 is about 1393.5314851126. The cubic root of 1941930 is about 124.7607155693.

The spelling of 1941930 in words is "one million, nine hundred forty-one thousand, nine hundred thirty".