312450469 has 8 divisors (see below), whose sum is σ = 329265792. Its totient is φ = 295904400.

The previous prime is 312450461. The next prime is 312450493. The reversal of 312450469 is 964054213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312450469 - 2³ = 312450461 is a prime.

It is a super-2 number, since 2×312450469² = 195250591156639922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312450461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64929 + ... + 69574.

It is an arithmetic number, because the mean of its divisors is an integer number (41158224).

Almost surely, 2^312450469 is an apocalyptic number.

It is an amenable number.

312450469 is a deficient number, since it is larger than the sum of its proper divisors (16815323).

312450469 is a wasteful number, since it uses less digits than its factorization.

312450469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134627.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 312450469 is about 17676.2685259078. The cubic root of 312450469 is about 678.5685495026.

The spelling of 312450469 in words is "three hundred twelve million, four hundred fifty thousand, four hundred sixty-nine".