912319 has 4 divisors (see below), whose sum is σ = 914760. Its totient is φ = 909880.

The previous prime is 912287. The next prime is 912337. The reversal of 912319 is 913219.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913219 = 239 ⋅3821.

It is a cyclic number.

It is not a de Polignac number, because 912319 - 2⁵ = 912287 is a prime.

It is a super-2 number, since 2×912319² = 1664651915522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912293 and 912302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (228690).

2⁹¹²³¹⁹ is an apocalyptic number.

912319 is a deficient number, since it is larger than the sum of its proper divisors (2441).

912319 is a wasteful number, since it uses less digits than its factorization.

912319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440.

The product of its digits is 486, while the sum is 25.

The square root of 912319 is about 955.1539142986. The cubic root of 912319 is about 96.9874571942.

Subtracting 912319 from its reverse (913219), we obtain a square (900 = 30²).

The spelling of 912319 in words is "nine hundred twelve thousand, three hundred nineteen".