501336 has 64 divisors (see below), whose sum is σ = 1526400. Its totient is φ = 151200.

The previous prime is 501317. The next prime is 501341. The reversal of 501336 is 633105.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

501336 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 15 ways as a sum of consecutive naturals, for example, 2271 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (23850).

2⁵⁰¹³³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763200).

501336 is an abundant number, since it is smaller than the sum of its proper divisors (1025064).

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

501336 is a wasteful number, since it uses less digits than its factorization.

501336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 501336 is about 708.0508456319. The cubic root of 501336 is about 79.4406819887.

Subtracting 501336 from its reverse (633105), we obtain a square (131769 = 363²).

The spelling of 501336 in words is "five hundred one thousand, three hundred thirty-six".