506402 has 8 divisors (see below), whose sum is σ = 818076. Its totient is φ = 233712.
The previous prime is 506393. The next prime is 506417. The reversal of 506402 is 204605.
It can be written as a sum of positive squares in 2 ways, for example, as 502681 + 3721 = 709^2 + 61^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506402.
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, 9713 + ... + 9764.
2506402 is an apocalyptic number.
506402 is a deficient number, since it is larger than the sum of its proper divisors (311674).
506402 is a wasteful number, since it uses less digits than its factorization.
506402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19492.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 506402 is about 711.6192802335. The cubic root of 506402 is about 79.7073683894.
The spelling of 506402 in words is "five hundred six thousand, four hundred two".
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