247148046 has 24 divisors (see below), whose sum is σ = 541011744. Its totient is φ = 81532800.

The previous prime is 247148039. The next prime is 247148051. The reversal of 247148046 is 640841742.

It is a super-2 number, since 2×247148046² = 122164313283236232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247148046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69030 + ... + 72521.

It is an arithmetic number, because the mean of its divisors is an integer number (22542156).

Almost surely, 2^247148046 is an apocalyptic number.

247148046 is an abundant number, since it is smaller than the sum of its proper divisors (293863698).

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

247148046 is a wasteful number, since it uses less digits than its factorization.

247148046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141656 (or 141653 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 247148046 is about 15720.9429106527. The cubic root of 247148046 is about 627.5558664143. Note that the first 3 decimals are identical.

Adding to 247148046 its reverse (640841742), we get a palindrome (887989788).

The spelling of 247148046 in words is "two hundred forty-seven million, one hundred forty-eight thousand, forty-six".