1428972 has 24 divisors (see below), whose sum is σ = 3356976. Its totient is φ = 473088.

The previous prime is 1428953. The next prime is 1428979. The reversal of 1428972 is 2798241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1428979) 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 7 ways as a sum of consecutive naturals, for example, 2008 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (139874).

2^1428972 is an apocalyptic number.

1428972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428972 is an abundant number, since it is smaller than the sum of its proper divisors (1928004).

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

1428972 is a wasteful number, since it uses less digits than its factorization.

1428972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1428972 is about 1195.3961686403. The cubic root of 1428972 is about 112.6353137241.

The spelling of 1428972 in words is "one million, four hundred twenty-eight thousand, nine hundred seventy-two".