312241649 has 8 divisors (see below), whose sum is σ = 328839840. Its totient is φ = 295659936.

The previous prime is 312241639. The next prime is 312241663. The reversal of 312241649 is 946142213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312241649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312241639) 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, 62834 + ... + 67620.

It is an arithmetic number, because the mean of its divisors is an integer number (41104980).

Almost surely, 2^312241649 is an apocalyptic number.

It is an amenable number.

312241649 is a deficient number, since it is larger than the sum of its proper divisors (16598191).

312241649 is a wasteful number, since it uses less digits than its factorization.

312241649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8239.

The product of its digits is 10368, while the sum is 32.

The square root of 312241649 is about 17670.3607490057. The cubic root of 312241649 is about 678.4173465895.

The spelling of 312241649 in words is "three hundred twelve million, two hundred forty-one thousand, six hundred forty-nine".