1428854 has 8 divisors (see below), whose sum is σ = 2449488. Its totient is φ = 612360.

The previous prime is 1428853. The next prime is 1428863. The reversal of 1428854 is 4588241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51017 + ... + 51044.

It is an arithmetic number, because the mean of its divisors is an integer number (306186).

2^1428854 is an apocalyptic number.

1428854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1428854 is a deficient number, since it is larger than the sum of its proper divisors (1020634).

1428854 is a wasteful number, since it uses less digits than its factorization.

1428854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102070.

The product of its digits is 10240, while the sum is 32.

The square root of 1428854 is about 1195.3468115990. The cubic root of 1428854 is about 112.6322132825.

The spelling of 1428854 in words is "one million, four hundred twenty-eight thousand, eight hundred fifty-four".