312244004 has 6 divisors (see below), whose sum is σ = 546427014. Its totient is φ = 156122000.

The previous prime is 312244003. The next prime is 312244033. The reversal of 312244004 is 400442213.

It can be written as a sum of positive squares in only one way, i.e., 311451904 + 792100 = 17648^2 + 890^2 .

It is not an unprimeable number, because it can be changed into a prime (312244003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39030497 + ... + 39030504.

It is an arithmetic number, because the mean of its divisors is an integer number (91071169).

Almost surely, 2^312244004 is an apocalyptic number.

It is an amenable number.

312244004 is a deficient number, since it is larger than the sum of its proper divisors (234183010).

312244004 is a wasteful number, since it uses less digits than its factorization.

312244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78061005 (or 78061003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 312244004 is about 17670.4273858897. The cubic root of 312244004 is about 678.4190521796.

Adding to 312244004 its reverse (400442213), we get a palindrome (712686217).

The spelling of 312244004 in words is "three hundred twelve million, two hundred forty-four thousand, four".