1428973 has 16 divisors (see below), whose sum is σ = 1806336. Its totient is φ = 1100160.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428973 is 3798241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3540 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (112896).

2^1428973 is an apocalyptic number.

1428973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1428973 is a deficient number, since it is larger than the sum of its proper divisors (377363).

1428973 is a wasteful number, since it uses less digits than its factorization.

1428973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its digits is 12096, while the sum is 34.

The square root of 1428973 is about 1195.3965869116. The cubic root of 1428973 is about 112.6353399983.

It can be divided in two parts, 1428 and 973, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1428973 in words is "one million, four hundred twenty-eight thousand, nine hundred seventy-three".