1941428 has 12 divisors (see below), whose sum is σ = 3407460. Its totient is φ = 967872.

The previous prime is 1941421. The next prime is 1941431. The reversal of 1941428 is 8241491.

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 1737124 = 452^2 + 1318^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1941428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (283955).

2^1941428 is an apocalyptic number.

It is an amenable number.

1941428 is a deficient number, since it is larger than the sum of its proper divisors (1466032).

1941428 is a wasteful number, since it uses less digits than its factorization.

1941428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1941428 is about 1393.3513555453. The cubic root of 1941428 is about 124.7499641902.

The spelling of 1941428 in words is "one million, nine hundred forty-one thousand, four hundred twenty-eight".