487749652 has 24 divisors (see below), whose sum is σ = 973294056. Its totient is φ = 211872768.

The previous prime is 487749617. The next prime is 487749667. The reversal of 487749652 is 256947784.

It can be written as a sum of positive squares in 4 ways, for example, as 52359696 + 435389956 = 7236^2 + 20866^2 .

It is a super-2 number, since 2×487749652² = 475799446052242208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 487749652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274993 + ... + 276760.

It is an arithmetic number, because the mean of its divisors is an integer number (40553919).

Almost surely, 2^487749652 is an apocalyptic number.

It is an amenable number.

487749652 is a deficient number, since it is larger than the sum of its proper divisors (485544404).

487749652 is a wasteful number, since it uses less digits than its factorization.

487749652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551787 (or 551785 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 487749652 is about 22085.0549467281. The cubic root of 487749652 is about 787.1647832370.

The spelling of 487749652 in words is "four hundred eighty-seven million, seven hundred forty-nine thousand, six hundred fifty-two".