488400399 has 6 divisors (see below), whose sum is σ = 705467256. Its totient is φ = 325600260.

The previous prime is 488400391. The next prime is 488400401. The reversal of 488400399 is 993004884.

It is a happy number.

It is not a de Polignac number, because 488400399 - 2³ = 488400391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488400391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27133347 + ... + 27133364.

It is an arithmetic number, because the mean of its divisors is an integer number (117577876).

Almost surely, 2^488400399 is an apocalyptic number.

488400399 is a deficient number, since it is larger than the sum of its proper divisors (217066857).

488400399 is a wasteful number, since it uses less digits than its factorization.

488400399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54266717 (or 54266714 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 488400399 is about 22099.7827817379. The cubic root of 488400399 is about 787.5147014640.

The spelling of 488400399 in words is "four hundred eighty-eight million, four hundred thousand, three hundred ninety-nine".