487399649 has 8 divisors (see below), whose sum is σ = 540721440. Its totient is φ = 435580000.

The previous prime is 487399621. The next prime is 487399663. The reversal of 487399649 is 946993784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487399649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487392649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374852 + ... + 376149.

It is an arithmetic number, because the mean of its divisors is an integer number (67590180).

Almost surely, 2^487399649 is an apocalyptic number.

It is an amenable number.

487399649 is a deficient number, since it is larger than the sum of its proper divisors (53321791).

487399649 is a wasteful number, since it uses less digits than its factorization.

487399649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751071.

The product of its digits is 11757312, while the sum is 59.

The square root of 487399649 is about 22077.1295462069. The cubic root of 487399649 is about 786.9764516741.

The spelling of 487399649 in words is "four hundred eighty-seven million, three hundred ninety-nine thousand, six hundred forty-nine".