1428696 has 24 divisors (see below), whose sum is σ = 3869580. Its totient is φ = 476208.

The previous prime is 1428689. The next prime is 1428703. The reversal of 1428696 is 6968241.

It is an interprime number because it is at equal distance from previous prime (1428689) and next prime (1428703).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1428696.

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 5 ways as a sum of consecutive naturals, for example, 9850 + ... + 9993.

2^1428696 is an apocalyptic number.

It is an amenable number.

1428696 is an abundant number, since it is smaller than the sum of its proper divisors (2440884).

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

1428696 is a wasteful number, since it uses less digits than its factorization.

1428696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19855 (or 19848 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1428696 is about 1195.2807201658. The cubic root of 1428696 is about 112.6280615764.

The spelling of 1428696 in words is "one million, four hundred twenty-eight thousand, six hundred ninety-six".