488398381 has 2 divisors, whose sum is σ = 488398382. Its totient is φ = 488398380.

The previous prime is 488398373. The next prime is 488398441. The reversal of 488398381 is 183893884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450882756 + 37515625 = 21234^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 488398381 - 2³ = 488398373 is a prime.

It is a super-2 number, since 2×488398381² = 477065957126842322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488398331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244199190 + 244199191.

It is an arithmetic number, because the mean of its divisors is an integer number (244199191).

Almost surely, 2^488398381 is an apocalyptic number.

It is an amenable number.

488398381 is a deficient number, since it is larger than the sum of its proper divisors (1).

488398381 is an equidigital number, since it uses as much as digits as its factorization.

488398381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 52.

The square root of 488398381 is about 22099.7371251334. The cubic root of 488398381 is about 787.5136168301.

The spelling of 488398381 in words is "four hundred eighty-eight million, three hundred ninety-eight thousand, three hundred eighty-one".