487667838 has 32 divisors (see below), whose sum is σ = 1119317760. Its totient is φ = 138752640.

The previous prime is 487667837. The next prime is 487667897. The reversal of 487667838 is 838766784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487667837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13968 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (34978680).

Almost surely, 2^487667838 is an apocalyptic number.

487667838 is an abundant number, since it is smaller than the sum of its proper divisors (631649922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487667838 is a wasteful number, since it uses less digits than its factorization.

487667838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48432.

The product of its digits is 10838016, while the sum is 57.

The square root of 487667838 is about 22083.2026209968. The cubic root of 487667838 is about 787.1207683750.

The spelling of 487667838 in words is "four hundred eighty-seven million, six hundred sixty-seven thousand, eight hundred thirty-eight".