313446 has 32 divisors (see below), whose sum is σ = 760320. Its totient is φ = 84096.

The previous prime is 313409. The next prime is 313471. The reversal of 313446 is 644313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

2³¹³⁴⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380160).

313446 is an abundant number, since it is smaller than the sum of its proper divisors (446874).

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

313446 is a wasteful number, since it uses less digits than its factorization.

313446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 864, while the sum is 21.

The square root of 313446 is about 559.8624831153. The cubic root of 313446 is about 67.9288471427.

Adding to 313446 its reverse (644313), we get a palindrome (957759).

The spelling of 313446 in words is "three hundred thirteen thousand, four hundred forty-six".