247553998 has 8 divisors (see below), whose sum is σ = 371805192. Its totient is φ = 123618936.

The previous prime is 247553993. The next prime is 247554001. The reversal of 247553998 is 899355742.

247553998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×247553998² = 122565963851568008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247553993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77065 + ... + 80212.

It is an arithmetic number, because the mean of its divisors is an integer number (46475649).

Almost surely, 2^247553998 is an apocalyptic number.

247553998 is a deficient number, since it is larger than the sum of its proper divisors (124251194).

247553998 is a wasteful number, since it uses less digits than its factorization.

247553998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158066.

The product of its digits is 2721600, while the sum is 52.

The square root of 247553998 is about 15733.8487980532. The cubic root of 247553998 is about 627.8992748918.

The spelling of 247553998 in words is "two hundred forty-seven million, five hundred fifty-three thousand, nine hundred ninety-eight".