1285344 has 36 divisors (see below), whose sum is σ = 3656016. Its totient is φ = 428352.

The previous prime is 1285301. The next prime is 1285351. The reversal of 1285344 is 4435821.

1285344 is a `hidden beast` number, since 128 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1944 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2^1285344 is an apocalyptic number.

It is an amenable number.

1285344 is an abundant number, since it is smaller than the sum of its proper divisors (2370672).

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

1285344 is a wasteful number, since it uses less digits than its factorization.

1285344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479 (or 4468 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1285344 is about 1133.7301266174. The cubic root of 1285344 is about 108.7275974464.

The spelling of 1285344 in words is "one million, two hundred eighty-five thousand, three hundred forty-four".