488684421 has 14 divisors (see below), whose sum is σ = 732692550. Its totient is φ = 325789128.

The previous prime is 488684407. The next prime is 488684429. The reversal of 488684421 is 124486884.

It can be written as a sum of positive squares in only one way, i.e., 487791396 + 893025 = 22086^2 + 945^2 .

It is not a de Polignac number, because 488684421 - 2¹¹ = 488682373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488684429) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 334446 + ... + 335903.

Almost surely, 2^488684421 is an apocalyptic number.

It is an amenable number.

488684421 is a deficient number, since it is larger than the sum of its proper divisors (244008129).

488684421 is an frugal number, since it uses more digits than its factorization.

488684421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670367 (or 670352 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 488684421 is about 22106.2077480512. The cubic root of 488684421 is about 787.6673277091.

The spelling of 488684421 in words is "four hundred eighty-eight million, six hundred eighty-four thousand, four hundred twenty-one".