1428896 has 24 divisors (see below), whose sum is σ = 3215520. Its totient is φ = 612288.

The previous prime is 1428893. The next prime is 1428899. The reversal of 1428896 is 6988241.

It is an interprime number because it is at equal distance from previous prime (1428893) and next prime (1428899).

It is a pancake number, because a pancake can be divided into 1428896 parts by 1690 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (1428893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2966 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (133980).

2^1428896 is an apocalyptic number.

1428896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1428896 is an abundant number, since it is smaller than the sum of its proper divisors (1786624).

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

1428896 is an equidigital number, since it uses as much as digits as its factorization.

1428896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396 (or 6388 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1428896 is about 1195.3643795931. The cubic root of 1428896 is about 112.6333168491.

The spelling of 1428896 in words is "one million, four hundred twenty-eight thousand, eight hundred ninety-six".