247953349 has 8 divisors (see below), whose sum is σ = 288021248. Its totient is φ = 209046960.

The previous prime is 247953337. The next prime is 247953353. The reversal of 247953349 is 943359742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247953349 - 2¹⁵ = 247920581 is a prime.

It is a super-2 number, since 2×247953349² = 122961726560631602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247953299 and 247953308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247953319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289917 + ... + 290770.

It is an arithmetic number, because the mean of its divisors is an integer number (36002656).

Almost surely, 2^247953349 is an apocalyptic number.

It is an amenable number.

247953349 is a deficient number, since it is larger than the sum of its proper divisors (40067899).

247953349 is an equidigital number, since it uses as much as digits as its factorization.

247953349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580755.

The product of its digits is 816480, while the sum is 46.

The square root of 247953349 is about 15746.5345076306. The cubic root of 247953349 is about 628.2367332367.

The spelling of 247953349 in words is "two hundred forty-seven million, nine hundred fifty-three thousand, three hundred forty-nine".