538630 has 16 divisors (see below), whose sum is σ = 986544. Its totient is φ = 211680.

The previous prime is 538621. The next prime is 538649. The reversal of 538630 is 36835.

It is a junction number, because it is equal to n+sod(n) for n = 538595 and 538604.

It is a congruent number.

It is an unprimeable number.

538630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (61659).

2⁵³⁸⁶³⁰ is an apocalyptic number.

538630 is a deficient number, since it is larger than the sum of its proper divisors (447914).

538630 is a wasteful number, since it uses less digits than its factorization.

538630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 538630 is about 733.9141639184. The cubic root of 538630 is about 81.3636043970.

The spelling of 538630 in words is "five hundred thirty-eight thousand, six hundred thirty".