1985264 has 20 divisors (see below), whose sum is σ = 3880704. Its totient is φ = 983808.

The previous prime is 1985257. The next prime is 1985279. The reversal of 1985264 is 4625891.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 2520.

2^1985264 is an apocalyptic number.

It is an amenable number.

1985264 is a deficient number, since it is larger than the sum of its proper divisors (1895440).

1985264 is a wasteful number, since it uses less digits than its factorization.

1985264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1106 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1985264 is about 1408.9939673398. The cubic root of 1985264 is about 125.6819052771.

The spelling of 1985264 in words is "one million, nine hundred eighty-five thousand, two hundred sixty-four".