312420546 has 24 divisors (see below), whose sum is σ = 706343040. Its totient is φ = 99612216.

The previous prime is 312420541. The next prime is 312420551. The reversal of 312420546 is 645024213.

It is an interprime number because it is at equal distance from previous prime (312420541) and next prime (312420551).

It is not an unprimeable number, because it can be changed into a prime (312420541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376906 + ... + 377733.

It is an arithmetic number, because the mean of its divisors is an integer number (29430960).

Almost surely, 2^312420546 is an apocalyptic number.

312420546 is an abundant number, since it is smaller than the sum of its proper divisors (393922494).

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

312420546 is a wasteful number, since it uses less digits than its factorization.

312420546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754670 (or 754667 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 312420546 is about 17675.4220883123. The cubic root of 312420546 is about 678.5468869172.

Adding to 312420546 its reverse (645024213), we get a palindrome (957444759).

The spelling of 312420546 in words is "three hundred twelve million, four hundred twenty thousand, five hundred forty-six".