488889421 has 4 divisors (see below), whose sum is σ = 492739072. Its totient is φ = 485039772.

The previous prime is 488889391. The next prime is 488889439. The reversal of 488889421 is 124988884.

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 not a de Polignac number, because 488889421 - 2⁷ = 488889293 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 (488889491) 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, 1924635 + ... + 1924888.

It is an arithmetic number, because the mean of its divisors is an integer number (123184768).

Almost surely, 2^488889421 is an apocalyptic number.

It is an amenable number.

488889421 is a deficient number, since it is larger than the sum of its proper divisors (3849651).

488889421 is a wasteful number, since it uses less digits than its factorization.

488889421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849650.

The product of its digits is 1179648, while the sum is 52.

The square root of 488889421 is about 22110.8439685146. The cubic root of 488889421 is about 787.7774527862. Note that the first 3 decimals are identical.

The spelling of 488889421 in words is "four hundred eighty-eight million, eight hundred eighty-nine thousand, four hundred twenty-one".