421514398 has 4 divisors (see below), whose sum is σ = 632271600. Its totient is φ = 210757198.

The previous prime is 421514389. The next prime is 421514441. The reversal of 421514398 is 893415124.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105378598 + ... + 105378601.

It is an arithmetic number, because the mean of its divisors is an integer number (158067900).

Almost surely, 2^421514398 is an apocalyptic number.

421514398 is a deficient number, since it is larger than the sum of its proper divisors (210757202).

421514398 is a wasteful number, since it uses less digits than its factorization.

421514398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210757201.

The product of its digits is 34560, while the sum is 37.

The square root of 421514398 is about 20530.8158142827. The cubic root of 421514398 is about 749.7862490124.

The spelling of 421514398 in words is "four hundred twenty-one million, five hundred fourteen thousand, three hundred ninety-eight".