487398844 has 12 divisors (see below), whose sum is σ = 853133904. Its totient is φ = 243646304.

The previous prime is 487398829. The next prime is 487398859. The reversal of 487398844 is 448893784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (487398829) and next prime (487398859).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13257 + ... + 33919.

It is an arithmetic number, because the mean of its divisors is an integer number (71094492).

Almost surely, 2^487398844 is an apocalyptic number.

It is an amenable number.

487398844 is a deficient number, since it is larger than the sum of its proper divisors (365735060).

487398844 is a wasteful number, since it uses less digits than its factorization.

487398844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26564 (or 26562 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 55.

The square root of 487398844 is about 22077.1113146625. Note that the first 3 decimals coincide. The cubic root of 487398844 is about 786.9760184113.

The spelling of 487398844 in words is "four hundred eighty-seven million, three hundred ninety-eight thousand, eight hundred forty-four".