419678998 has 4 divisors (see below), whose sum is σ = 629518500. Its totient is φ = 209839498.

The previous prime is 419678989. The next prime is 419679041. The reversal of 419678998 is 899876914.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×419678998² = 352260922724568008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104919748 + ... + 104919751.

It is an arithmetic number, because the mean of its divisors is an integer number (157379625).

Almost surely, 2^419678998 is an apocalyptic number.

419678998 is a deficient number, since it is larger than the sum of its proper divisors (209839502).

419678998 is a wasteful number, since it uses less digits than its factorization.

419678998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209839501.

The product of its digits is 7838208, while the sum is 61.

The square root of 419678998 is about 20486.0683880534. The cubic root of 419678998 is about 748.6964009670.

The spelling of 419678998 in words is "four hundred nineteen million, six hundred seventy-eight thousand, nine hundred ninety-eight".