247936968 has 96 divisors (see below), whose sum is σ = 700539840. Its totient is φ = 79148160.

The previous prime is 247936961. The next prime is 247936973. The reversal of 247936968 is 869639742.

It is a happy number.

It is a super-2 number, since 2×247936968² = 122945480202066048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247936961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163333 + ... + 164843.

It is an arithmetic number, because the mean of its divisors is an integer number (7297290).

Almost surely, 2^247936968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247936968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350269920).

247936968 is an abundant number, since it is smaller than the sum of its proper divisors (452602872).

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

247936968 is a wasteful number, since it uses less digits than its factorization.

247936968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1612 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 247936968 is about 15746.0143528450. The cubic root of 247936968 is about 628.2228981442. Note that the first 3 decimals are identical.

The spelling of 247936968 in words is "two hundred forty-seven million, nine hundred thirty-six thousand, nine hundred sixty-eight".