1941564 has 24 divisors (see below), whose sum is σ = 4567248. Its totient is φ = 641920.

The previous prime is 1941559. The next prime is 1941571. The reversal of 1941564 is 4651491.

It is a happy number.

It is a congruent number.

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, 1054 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (190302).

2^1941564 is an apocalyptic number.

It is an amenable number.

1941564 is an abundant number, since it is smaller than the sum of its proper divisors (2625684).

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

1941564 is a wasteful number, since it uses less digits than its factorization.

1941564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1323 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1941564 is about 1393.4001578872. The cubic root of 1941564 is about 124.7528770975.

The spelling of 1941564 in words is "one million, nine hundred forty-one thousand, five hundred sixty-four".