1428965 has 8 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 1137232.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428965 is 5698241.

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

It is a cyclic number.

It is not a de Polignac number, because 1428965 - 2⁴ = 1428949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 506 + ... + 1764.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^1428965 is an apocalyptic number.

It is an amenable number.

1428965 is a deficient number, since it is larger than the sum of its proper divisors (294715).

1428965 is a wasteful number, since it uses less digits than its factorization.

1428965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its digits is 17280, while the sum is 35.

The square root of 1428965 is about 1195.3932407371. The cubic root of 1428965 is about 112.6351298044.

The spelling of 1428965 in words is "one million, four hundred twenty-eight thousand, nine hundred sixty-five".