1427798 has 8 divisors (see below), whose sum is σ = 2210880. Its totient is φ = 690840.

The previous prime is 1427773. The next prime is 1427809. The reversal of 1427798 is 8977241.

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

It is an Ulam number.

It is a congruent number.

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, 11453 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (276360).

2^1427798 is an apocalyptic number.

1427798 is a deficient number, since it is larger than the sum of its proper divisors (783082).

1427798 is a wasteful number, since it uses less digits than its factorization.

1427798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23062.

The product of its digits is 28224, while the sum is 38.

The square root of 1427798 is about 1194.9050171457. The cubic root of 1427798 is about 112.6044593552.

The spelling of 1427798 in words is "one million, four hundred twenty-seven thousand, seven hundred ninety-eight".