487452636 has 36 divisors (see below), whose sum is σ = 1344188664. Its totient is φ = 147712800.

The previous prime is 487452629. The next prime is 487452643. The reversal of 487452636 is 636254784.

487452636 is a `hidden beast` number, since 4 + 8 + 7 + 4 + 5 + 2 + 636 = 666.

It is an interprime number because it is at equal distance from previous prime (487452629) and next prime (487452643).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×487452636² = 475220144686696992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 487452591 and 487452600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615075 + ... + 615866.

It is an arithmetic number, because the mean of its divisors is an integer number (37338574).

Almost surely, 2^487452636 is an apocalyptic number.

It is an amenable number.

487452636 is an abundant number, since it is smaller than the sum of its proper divisors (856736028).

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

487452636 is a wasteful number, since it uses less digits than its factorization.

487452636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230962 (or 1230957 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 487452636 is about 22078.3295563772. The cubic root of 487452636 is about 787.0049690043.

The spelling of 487452636 in words is "four hundred eighty-seven million, four hundred fifty-two thousand, six hundred thirty-six".