313690 has 32 divisors (see below), whose sum is σ = 645120. Its totient is φ = 108864.

The previous prime is 313679. The next prime is 313699. The reversal of 313690 is 96313.

313690 = T₂₉ + T₃₀ + ... + T₁₂₃.

It is a super-2 number, since 2×313690² = 196802832200, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313690.

It is not an unprimeable number, because it can be changed into a prime (313699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2³¹³⁶⁹⁰ is an apocalyptic number.

313690 is an abundant number, since it is smaller than the sum of its proper divisors (331430).

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

313690 is a wasteful number, since it uses less digits than its factorization.

313690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 313690 is about 560.0803513783. The cubic root of 313690 is about 67.9464688274.

It can be divided in two parts, 31 and 3690, that added together give a square (3721 = 61²).

The spelling of 313690 in words is "three hundred thirteen thousand, six hundred ninety".