313634 has 4 divisors (see below), whose sum is σ = 470454. Its totient is φ = 156816.

The previous prime is 313619. The next prime is 313637. The reversal of 313634 is 436313.

313634 = T₃₉₄ + T₃₉₅ + ... + T₃₉₇.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157609 + 156025 = 397^2 + 395^2 .

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313634.

It is not an unprimeable number, because it can be changed into a prime (313637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78407 + ... + 78410.

2³¹³⁶³⁴ is an apocalyptic number.

313634 is a deficient number, since it is larger than the sum of its proper divisors (156820).

313634 is a wasteful number, since it uses less digits than its factorization.

313634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156819.

The product of its digits is 648, while the sum is 20.

The square root of 313634 is about 560.0303563201. The cubic root of 313634 is about 67.9424253145.

Adding to 313634 its reverse (436313), we get a palindrome (749947).

The spelling of 313634 in words is "three hundred thirteen thousand, six hundred thirty-four".