501402 has 32 divisors (see below), whose sum is σ = 1119744. Its totient is φ = 148400.

The previous prime is 501401. The next prime is 501409. The reversal of 501402 is 204105.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501402.

It is not an unprimeable number, because it can be changed into a prime (501401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4633 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (34992).

2⁵⁰¹⁴⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559872).

501402 is an abundant number, since it is smaller than the sum of its proper divisors (618342).

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

501402 is a wasteful number, since it uses less digits than its factorization.

501402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 501402 is about 708.0974509204. The cubic root of 501402 is about 79.4441679109. Note that the first 3 decimals are identical.

Adding to 501402 its reverse (204105), we get a palindrome (705507).

It can be divided in two parts, 501 and 402, that added together give a triangular number (903 = T₄₂).

The spelling of 501402 in words is "five hundred one thousand, four hundred two".