1427856 has 40 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 470400.

The previous prime is 1427851. The next prime is 1427879. The reversal of 1427856 is 6587241.

It is not an unprimeable number, because it can be changed into a prime (1427851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7150 + ... + 7346.

2^1427856 is an apocalyptic number.

1427856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1427856 is an abundant number, since it is smaller than the sum of its proper divisors (2304048).

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

1427856 is a wasteful number, since it uses less digits than its factorization.

1427856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1427856 is about 1194.9292866107. The cubic root of 1427856 is about 112.6059840737.

The spelling of 1427856 in words is "one million, four hundred twenty-seven thousand, eight hundred fifty-six".