404452 has 6 divisors (see below), whose sum is σ = 707798. Its totient is φ = 202224.

The previous prime is 404449. The next prime is 404461. The reversal of 404452 is 254404.

It can be written as a sum of positive squares in only one way, i.e., 224676 + 179776 = 474^2 + 424^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50553 + ... + 50560.

2⁴⁰⁴⁴⁵² is an apocalyptic number.

It is an amenable number.

404452 is a deficient number, since it is larger than the sum of its proper divisors (303346).

404452 is a wasteful number, since it uses less digits than its factorization.

404452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101117 (or 101115 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 404452 is about 635.9654078643. The cubic root of 404452 is about 73.9529771871.

Adding to 404452 its reverse (254404), we get a palindrome (658856).

It can be divided in two parts, 4044 and 52, that added together give a 12-th power (4096 = 2¹²).

The spelling of 404452 in words is "four hundred four thousand, four hundred fifty-two".