404312 has 8 divisors (see below), whose sum is σ = 758100. Its totient is φ = 202152.

The previous prime is 404309. The next prime is 404321. The reversal of 404312 is 213404.

Added to its reverse (213404) it gives a triangular number (617716 = T₁₁₁₁).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25262 + ... + 25277.

2⁴⁰⁴³¹² is an apocalyptic number.

It is an amenable number.

404312 is a deficient number, since it is larger than the sum of its proper divisors (353788).

404312 is a wasteful number, since it uses less digits than its factorization.

404312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50545 (or 50541 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 404312 is about 635.8553294579. The cubic root of 404312 is about 73.9444433259.

Adding to 404312 its reverse (213404), we get a palindrome (617716).

It can be divided in two parts, 4043 and 12, that multiplied together give a triangular number (48516 = T₃₁₁).

The spelling of 404312 in words is "four hundred four thousand, three hundred twelve", and thus it is an iban number.