487297944 has 240 divisors, whose sum is σ = 1613898000. Its totient is φ = 136950912.

The previous prime is 487297939. The next prime is 487297963. The reversal of 487297944 is 449792784.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3270382 + ... + 3270530.

It is an arithmetic number, because the mean of its divisors is an integer number (6724575).

Almost surely, 2^487297944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487297944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806949000).

487297944 is an abundant number, since it is smaller than the sum of its proper divisors (1126600056).

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

487297944 is a wasteful number, since it uses less digits than its factorization.

487297944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 264 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 487297944 is about 22074.8260242295. The cubic root of 487297944 is about 786.9217087760.

The spelling of 487297944 in words is "four hundred eighty-seven million, two hundred ninety-seven thousand, nine hundred forty-four".