247133488 has 160 divisors (see below), whose sum is σ = 617103360. Its totient is φ = 93450240.

The previous prime is 247133483. The next prime is 247133501. The reversal of 247133488 is 884331742.

It is a super-2 number, since 2×247133488² = 122149921782092288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247133488.

It is not an unprimeable number, because it can be changed into a prime (247133483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3128233 + ... + 3128311.

It is an arithmetic number, because the mean of its divisors is an integer number (3856896).

Almost surely, 2^247133488 is an apocalyptic number.

247133488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247133488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308551680).

247133488 is an abundant number, since it is smaller than the sum of its proper divisors (369969872).

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

247133488 is a wasteful number, since it uses less digits than its factorization.

247133488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 189 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 247133488 is about 15720.4798908939. The cubic root of 247133488 is about 627.5435443293.

The spelling of 247133488 in words is "two hundred forty-seven million, one hundred thirty-three thousand, four hundred eighty-eight".