1940264 has 8 divisors (see below), whose sum is σ = 3638010. Its totient is φ = 970128.

The previous prime is 1940233. The next prime is 1940269. The reversal of 1940264 is 4620491.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 96100 = 1358^2 + 310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1940269) 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, 121259 + ... + 121274.

2^1940264 is an apocalyptic number.

It is an amenable number.

1940264 is a deficient number, since it is larger than the sum of its proper divisors (1697746).

1940264 is a wasteful number, since it uses less digits than its factorization.

1940264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242539 (or 242535 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1940264 is about 1392.9335949714. The cubic root of 1940264 is about 124.7250275648.

The spelling of 1940264 in words is "one million, nine hundred forty thousand, two hundred sixty-four".