874498421 has 4 divisors (see below), whose sum is σ = 875112672. Its totient is φ = 873884172.

The previous prime is 874498399. The next prime is 874498447. The reversal of 874498421 is 124894478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874498421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874498621) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 304985 + ... + 307838.

It is an arithmetic number, because the mean of its divisors is an integer number (218778168).

Almost surely, 2^874498421 is an apocalyptic number.

It is an amenable number.

874498421 is a deficient number, since it is larger than the sum of its proper divisors (614251).

874498421 is a wasteful number, since it uses less digits than its factorization.

874498421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614250.

The product of its digits is 516096, while the sum is 47.

The square root of 874498421 is about 29571.9194676301. The cubic root of 874498421 is about 956.2827971949.

The spelling of 874498421 in words is "eight hundred seventy-four million, four hundred ninety-eight thousand, four hundred twenty-one".