635487 has 8 divisors (see below), whose sum is σ = 865536. Its totient is φ = 414552.

The previous prime is 635483. The next prime is 635507. The reversal of 635487 is 784536.

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

It is not a de Polignac number, because 635487 - 2² = 635483 is a prime.

It is a d-powerful number, because it can be written as 6³ + 3¹² + 4⁸ + 5⁵ + 8⁵ + 7⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635483) 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, 2113 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (108192).

2⁶³⁵⁴⁸⁷ is an apocalyptic number.

635487 is a deficient number, since it is larger than the sum of its proper divisors (230049).

635487 is a wasteful number, since it uses less digits than its factorization.

635487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557.

The product of its digits is 20160, while the sum is 33.

The square root of 635487 is about 797.1743849372. The cubic root of 635487 is about 85.9743478567.

It can be divided in two parts, 6354 and 87, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 635487 in words is "six hundred thirty-five thousand, four hundred eighty-seven".