247029994 has 8 divisors (see below), whose sum is σ = 371613888. Its totient is φ = 123158700.

The previous prime is 247029983. The next prime is 247030013. The reversal of 247029994 is 499920742.

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

It is a super-2 number, since 2×247029994² = 122047635871280072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177282 + ... + 178669.

It is an arithmetic number, because the mean of its divisors is an integer number (46451736).

Almost surely, 2^247029994 is an apocalyptic number.

247029994 is a deficient number, since it is larger than the sum of its proper divisors (124583894).

247029994 is a wasteful number, since it uses less digits than its factorization.

247029994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356300.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 247029994 is about 15717.1878527935. The cubic root of 247029994 is about 627.4559316787.

The spelling of 247029994 in words is "two hundred forty-seven million, twenty-nine thousand, nine hundred ninety-four".