247950 has 72 divisors (see below), whose sum is σ = 725400. Its totient is φ = 60480.

The previous prime is 247943. The next prime is 247957. The reversal of 247950 is 59742.

247950 = T₁₁₆ + T₁₁₇ + ... + T₁₄₄.

247950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247943) and next prime (247957).

It is a super-2 number, since 2×247950² = 122958405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247957) by changing a digit.

247950 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8536 + ... + 8564.

It is an arithmetic number, because the mean of its divisors is an integer number (10075).

2²⁴⁷⁹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362700).

247950 is an abundant number, since it is smaller than the sum of its proper divisors (477450).

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

247950 is a wasteful number, since it uses less digits than its factorization.

247950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 247950 is about 497.9457801809. The cubic root of 247950 is about 62.8233904782.

The spelling of 247950 in words is "two hundred forty-seven thousand, nine hundred fifty".