404470 has 16 divisors (see below), whose sum is σ = 794448. Its totient is φ = 147040.

The previous prime is 404461. The next prime is 404483. The reversal of 404470 is 74404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

404470 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 7 ways as a sum of consecutive naturals, for example, 1729 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (49653).

2⁴⁰⁴⁴⁷⁰ is an apocalyptic number.

404470 is a deficient number, since it is larger than the sum of its proper divisors (389978).

404470 is a wasteful number, since it uses less digits than its factorization.

404470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 404470 is about 635.9795594200. The cubic root of 404470 is about 73.9540742549.

Adding to 404470 its reverse (74404), we get a palindrome (478874).

It can be divided in two parts, 4044 and 70, that added together give a palindrome (4114).

The spelling of 404470 in words is "four hundred four thousand, four hundred seventy", and thus it is an iban number.