501394 has 8 divisors (see below), whose sum is σ = 776448. Its totient is φ = 242580.

The previous prime is 501383. The next prime is 501401. The reversal of 501394 is 493105.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (97056).

2⁵⁰¹³⁹⁴ is an apocalyptic number.

501394 is a deficient number, since it is larger than the sum of its proper divisors (275054).

501394 is a wasteful number, since it uses less digits than its factorization.

501394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 501394 is about 708.0918019579. The cubic root of 501394 is about 79.4437453912.

Adding to 501394 its reverse (493105), we get a palindrome (994499).

It can be divided in two parts, 50 and 1394, that added together give a square (1444 = 38²).

The spelling of 501394 in words is "five hundred one thousand, three hundred ninety-four".