247463928 has 48 divisors (see below), whose sum is σ = 671645520. Its totient is φ = 82311936.

The previous prime is 247463927. The next prime is 247463933. The reversal of 247463928 is 829364742.

247463928 is a `hidden beast` number, since 2 + 4 + 7 + 4 + 639 + 2 + 8 = 666.

It is a super-2 number, since 2×247463928² = 122476791322378368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247463927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32800 + ... + 39632.

It is an arithmetic number, because the mean of its divisors is an integer number (13992615).

Almost surely, 2^247463928 is an apocalyptic number.

It is an amenable number.

247463928 is an abundant number, since it is smaller than the sum of its proper divisors (424181592).

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

247463928 is a wasteful number, since it uses less digits than its factorization.

247463928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348 (or 7341 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 247463928 is about 15730.9862373597. The cubic root of 247463928 is about 627.8231140697.

The spelling of 247463928 in words is "two hundred forty-seven million, four hundred sixty-three thousand, nine hundred twenty-eight".