247948 has 6 divisors (see below), whose sum is σ = 433916. Its totient is φ = 123972.

The previous prime is 247943. The next prime is 247957. The reversal of 247948 is 849742.

It is a happy number.

It is a super-2 number, since 2×247948² = 122956421408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30990 + ... + 30997.

2²⁴⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

247948 is a deficient number, since it is larger than the sum of its proper divisors (185968).

247948 is a wasteful number, since it uses less digits than its factorization.

247948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61991 (or 61989 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 247948 is about 497.9437719261. The cubic root of 247948 is about 62.8232215636.

The spelling of 247948 in words is "two hundred forty-seven thousand, nine hundred forty-eight".