488866397 has 2 divisors, whose sum is σ = 488866398. Its totient is φ = 488866396.

The previous prime is 488866381. The next prime is 488866423. The reversal of 488866397 is 793668884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372528601 + 116337796 = 19301^2 + 10786^2 .

It is a cyclic number.

It is not a de Polignac number, because 488866397 - 2⁴ = 488866381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488866337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244433198 + 244433199.

It is an arithmetic number, because the mean of its divisors is an integer number (244433199).

Almost surely, 2^488866397 is an apocalyptic number.

It is an amenable number.

488866397 is a deficient number, since it is larger than the sum of its proper divisors (1).

488866397 is an equidigital number, since it uses as much as digits as its factorization.

488866397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 59.

The square root of 488866397 is about 22110.3233128781. The cubic root of 488866397 is about 787.7650859318.

The spelling of 488866397 in words is "four hundred eighty-eight million, eight hundred sixty-six thousand, three hundred ninety-seven".