488390421 has 32 divisors (see below), whose sum is σ = 711936000. Its totient is φ = 296630208.

The previous prime is 488390387. The next prime is 488390423. The reversal of 488390421 is 124093884.

It is not a de Polignac number, because 488390421 - 2²² = 484196117 is a prime.

It is a super-3 number, since 3×488390421³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 488390421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488390423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593016 + ... + 593838.

It is an arithmetic number, because the mean of its divisors is an integer number (22248000).

Almost surely, 2^488390421 is an apocalyptic number.

It is an amenable number.

488390421 is a deficient number, since it is larger than the sum of its proper divisors (223545579).

488390421 is a wasteful number, since it uses less digits than its factorization.

488390421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 488390421 is about 22099.5570317597. The cubic root of 488390421 is about 787.5093384632.

The spelling of 488390421 in words is "four hundred eighty-eight million, three hundred ninety thousand, four hundred twenty-one".