404562 has 8 divisors (see below), whose sum is σ = 809136. Its totient is φ = 134852.

The previous prime is 404557. The next prime is 404597. The reversal of 404562 is 265404.

It is a happy number.

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

404562 is an admirable number.

It is an Ulam number.

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, 33708 + ... + 33719.

It is an arithmetic number, because the mean of its divisors is an integer number (101142).

2⁴⁰⁴⁵⁶² is an apocalyptic number.

404562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404562 is a wasteful number, since it uses less digits than its factorization.

404562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67432.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404562 is about 636.0518846761. The cubic root of 404562 is about 73.9596809823.

Adding to 404562 its reverse (265404), we get a palindrome (669966).

The spelling of 404562 in words is "four hundred four thousand, five hundred sixty-two".