1428204 has 24 divisors (see below), whose sum is σ = 3529008. Its totient is φ = 448000.

The previous prime is 1428199. The next prime is 1428209. The reversal of 1428204 is 4028241.

It is an interprime number because it is at equal distance from previous prime (1428199) and next prime (1428209).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1428209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3297 + ... + 3704.

It is an arithmetic number, because the mean of its divisors is an integer number (147042).

2^1428204 is an apocalyptic number.

It is an amenable number.

1428204 is an abundant number, since it is smaller than the sum of its proper divisors (2100804).

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

1428204 is a wasteful number, since it uses less digits than its factorization.

1428204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025 (or 7023 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1428204 is about 1195.0748930506. The cubic root of 1428204 is about 112.6151315179.

The spelling of 1428204 in words is "one million, four hundred twenty-eight thousand, two hundred four".