247906364 has 24 divisors (see below), whose sum is σ = 448552608. Its totient is φ = 119793600.

The previous prime is 247906331. The next prime is 247906367. The reversal of 247906364 is 463609742.

It is a super-2 number, since 2×247906364² = 122915130623400992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247906367) 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 7 ways as a sum of consecutive naturals, for example, 16802 + ... + 27894.

It is an arithmetic number, because the mean of its divisors is an integer number (18689692).

Almost surely, 2^247906364 is an apocalyptic number.

It is an amenable number.

247906364 is a deficient number, since it is larger than the sum of its proper divisors (200646244).

247906364 is a wasteful number, since it uses less digits than its factorization.

247906364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285 (or 11283 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 247906364 is about 15745.0425213780. The cubic root of 247906364 is about 628.1970489336.

The spelling of 247906364 in words is "two hundred forty-seven million, nine hundred six thousand, three hundred sixty-four".