312380493 has 8 divisors (see below), whose sum is σ = 416892768. Its totient is φ = 208060944.

The previous prime is 312380483. The next prime is 312380531. The reversal of 312380493 is 394083213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312380493 - 2⁵ = 312380461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312380483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44355 + ... + 50912.

It is an arithmetic number, because the mean of its divisors is an integer number (52111596).

Almost surely, 2^312380493 is an apocalyptic number.

It is an amenable number.

312380493 is a deficient number, since it is larger than the sum of its proper divisors (104512275).

312380493 is a wasteful number, since it uses less digits than its factorization.

312380493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96363.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 312380493 is about 17674.2890380349. The cubic root of 312380493 is about 678.5178886110.

The spelling of 312380493 in words is "three hundred twelve million, three hundred eighty thousand, four hundred ninety-three".