1421498 has 8 divisors (see below), whose sum is σ = 2296308. Its totient is φ = 656064.

The previous prime is 1421479. The next prime is 1421501. The reversal of 1421498 is 8941241.

It can be written as a sum of positive squares in 2 ways, for example, as 1203409 + 218089 = 1097^2 + 467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1421498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27311 + ... + 27362.

2^1421498 is an apocalyptic number.

1421498 is a deficient number, since it is larger than the sum of its proper divisors (874810).

1421498 is a wasteful number, since it uses less digits than its factorization.

1421498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54688.

The product of its digits is 2304, while the sum is 29.

The square root of 1421498 is about 1192.2659099379. The cubic root of 1421498 is about 112.4385969447.

It can be divided in two parts, 14 and 21498, that added together give a palindrome (21512).

The spelling of 1421498 in words is "one million, four hundred twenty-one thousand, four hundred ninety-eight".