247894 has 16 divisors (see below), whose sum is σ = 412128. Its totient is φ = 111232.

The previous prime is 247889. The next prime is 247901. The reversal of 247894 is 498742.

It is a happy number.

247894 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 2×247894² = 122902870472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (25758).

2²⁴⁷⁸⁹⁴ is an apocalyptic number.

247894 is a deficient number, since it is larger than the sum of its proper divisors (164234).

247894 is a wasteful number, since it uses less digits than its factorization.

247894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

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

The square root of 247894 is about 497.8895459838. The cubic root of 247894 is about 62.8186605263.

The spelling of 247894 in words is "two hundred forty-seven thousand, eight hundred ninety-four".