1426811998 has 8 divisors (see below), whose sum is σ = 2166004008. Its totient is φ = 704810664.

The previous prime is 1426811987. The next prime is 1426811999. The reversal of 1426811998 is 8991186241.

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

It is a super-3 number, since 3×1426811998³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426811999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4297461 + ... + 4297792.

It is an arithmetic number, because the mean of its divisors is an integer number (270750501).

Almost surely, 2^1426811998 is an apocalyptic number.

1426811998 is a deficient number, since it is larger than the sum of its proper divisors (739192010).

1426811998 is an equidigital number, since it uses as much as digits as its factorization.

1426811998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595338.

The product of its digits is 248832, while the sum is 49.

The square root of 1426811998 is about 37773.1650513959. The cubic root of 1426811998 is about 1125.7853276760.

The spelling of 1426811998 in words is "one billion, four hundred twenty-six million, eight hundred eleven thousand, nine hundred ninety-eight".