247233930 has 16 divisors (see below), whose sum is σ = 593361504. Its totient is φ = 65929040.

The previous prime is 247233913. The next prime is 247233949. The reversal of 247233930 is 39332742.

It is a super-2 number, since 2×247233930² = 122249232286489800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 247233891 and 247233900.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4120536 + ... + 4120595.

It is an arithmetic number, because the mean of its divisors is an integer number (37085094).

Almost surely, 2^247233930 is an apocalyptic number.

247233930 is an abundant number, since it is smaller than the sum of its proper divisors (346127574).

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

247233930 is a wasteful number, since it uses less digits than its factorization.

247233930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241141.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 247233930 is about 15723.6741889420. The cubic root of 247233930 is about 627.6285499294.

The spelling of 247233930 in words is "two hundred forty-seven million, two hundred thirty-three thousand, nine hundred thirty".