1894964 has 6 divisors (see below), whose sum is σ = 3316194. Its totient is φ = 947480.

The previous prime is 1894933. The next prime is 1894969. The reversal of 1894964 is 4694981.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 478864 = 1190^2 + 692^2 .

It is a super-2 number, since 2×1894964² = 7181777122592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894969) 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 as a sum of consecutive naturals, namely, 236867 + ... + 236874.

It is an arithmetic number, because the mean of its divisors is an integer number (552699).

2^1894964 is an apocalyptic number.

It is an amenable number.

1894964 is a deficient number, since it is larger than the sum of its proper divisors (1421230).

1894964 is a wasteful number, since it uses less digits than its factorization.

1894964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473745 (or 473743 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 1894964 is about 1376.5769139427. The cubic root of 1894964 is about 123.7467080715.

The spelling of 1894964 in words is "one million, eight hundred ninety-four thousand, nine hundred sixty-four".