247434 has 32 divisors (see below), whose sum is σ = 566784. Its totient is φ = 71280.

The previous prime is 247433. The next prime is 247439. The reversal of 247434 is 434742.

247434 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 2×247434² = 122447168712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (17712).

2²⁴⁷⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283392).

247434 is an abundant number, since it is smaller than the sum of its proper divisors (319350).

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

247434 is a wasteful number, since it uses less digits than its factorization.

247434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its digits is 2688, while the sum is 24.

The square root of 247434 is about 497.4273816347. The cubic root of 247434 is about 62.7797803650.

The spelling of 247434 in words is "two hundred forty-seven thousand, four hundred thirty-four".