247490234 has 16 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 118533744.

The previous prime is 247490179. The next prime is 247490239. The reversal of 247490234 is 432094742.

247490234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247490234² = 122502831850749512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247490194 and 247490203.

It is not an unprimeable number, because it can be changed into a prime (247490239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9434 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (24192000).

Almost surely, 2^247490234 is an apocalyptic number.

247490234 is a deficient number, since it is larger than the sum of its proper divisors (139581766).

247490234 is a wasteful number, since it uses less digits than its factorization.

247490234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33757.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 247490234 is about 15731.8223356355. The cubic root of 247490234 is about 627.8453596414.

The spelling of 247490234 in words is "two hundred forty-seven million, four hundred ninety thousand, two hundred thirty-four".