247413246 has 8 divisors (see below), whose sum is σ = 494826504. Its totient is φ = 82471080.

The previous prime is 247413233. The next prime is 247413247. The reversal of 247413246 is 642314742.

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

247413246 is an admirable number.

It is a super-2 number, since 2×247413246² = 122426628592513032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247413247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20617765 + ... + 20617776.

It is an arithmetic number, because the mean of its divisors is an integer number (61853313).

Almost surely, 2^247413246 is an apocalyptic number.

247413246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

247413246 is a wasteful number, since it uses less digits than its factorization.

247413246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41235546.

The product of its digits is 32256, while the sum is 33.

The square root of 247413246 is about 15729.3752577780. The cubic root of 247413246 is about 627.7802505786.

Adding to 247413246 its reverse (642314742), we get a palindrome (889727988).

The spelling of 247413246 in words is "two hundred forty-seven million, four hundred thirteen thousand, two hundred forty-six".