1428926 has 4 divisors (see below), whose sum is σ = 2143392. Its totient is φ = 714462.

The previous prime is 1428923. The next prime is 1428929. The reversal of 1428926 is 6298241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1428923) and next prime (1428929).

It is a junction number, because it is equal to n+sod(n) for n = 1428892 and 1428901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357230 + ... + 357233.

It is an arithmetic number, because the mean of its divisors is an integer number (535848).

2^1428926 is an apocalyptic number.

1428926 is a deficient number, since it is larger than the sum of its proper divisors (714466).

1428926 is an equidigital number, since it uses as much as digits as its factorization.

1428926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714465.

The product of its digits is 6912, while the sum is 32.

The square root of 1428926 is about 1195.3769280022. The cubic root of 1428926 is about 112.6341050977.

The spelling of 1428926 in words is "one million, four hundred twenty-eight thousand, nine hundred twenty-six".