248434669 has 4 divisors (see below), whose sum is σ = 283925344. Its totient is φ = 212943996.

The previous prime is 248434631. The next prime is 248434679. The reversal of 248434669 is 966434842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966434842 = 2 ⋅483217421.

It is a cyclic number.

It is not a de Polignac number, because 248434669 - 2¹⁹ = 247910381 is a prime.

It is a super-2 number, since 2×248434669² = 123439569522279122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248434679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17745327 + ... + 17745340.

It is an arithmetic number, because the mean of its divisors is an integer number (70981336).

Almost surely, 2^248434669 is an apocalyptic number.

It is an amenable number.

248434669 is a deficient number, since it is larger than the sum of its proper divisors (35490675).

248434669 is an equidigital number, since it uses as much as digits as its factorization.

248434669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35490674.

The product of its digits is 995328, while the sum is 46.

The square root of 248434669 is about 15761.8104607307. The cubic root of 248434669 is about 628.6429755901.

The spelling of 248434669 in words is "two hundred forty-eight million, four hundred thirty-four thousand, six hundred sixty-nine".