1428498 has 24 divisors (see below), whose sum is σ = 3148236. Its totient is φ = 468000.

The previous prime is 1428491. The next prime is 1428521. The reversal of 1428498 is 8948241.

It can be written as a sum of positive squares in 2 ways, for example, as 870489 + 558009 = 933^2 + 747^2 .

It is not an unprimeable number, because it can be changed into a prime (1428491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448 + ... + 1748.

2^1428498 is an apocalyptic number.

1428498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1428498 is an abundant number, since it is smaller than the sum of its proper divisors (1719738).

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

1428498 is a wasteful number, since it uses less digits than its factorization.

1428498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1367 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1428498 is about 1195.1978915644. The cubic root of 1428498 is about 112.6228583733.

The spelling of 1428498 in words is "one million, four hundred twenty-eight thousand, four hundred ninety-eight".