1945364 has 6 divisors (see below), whose sum is σ = 3404394. Its totient is φ = 972680.

The previous prime is 1945337. The next prime is 1945369. The reversal of 1945364 is 4635491.

It can be written as a sum of positive squares in only one way, i.e., 1800964 + 144400 = 1342^2 + 380^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1945364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243167 + ... + 243174.

It is an arithmetic number, because the mean of its divisors is an integer number (567399).

2^1945364 is an apocalyptic number.

It is an amenable number.

1945364 is a deficient number, since it is larger than the sum of its proper divisors (1459030).

1945364 is a wasteful number, since it uses less digits than its factorization.

1945364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486345 (or 486343 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1945364 is about 1394.7630623156. The cubic root of 1945364 is about 124.8342122125.

The spelling of 1945364 in words is "one million, nine hundred forty-five thousand, three hundred sixty-four".