234249357 has 4 divisors (see below), whose sum is σ = 312332480. Its totient is φ = 156166236.

The previous prime is 234249287. The next prime is 234249373. The reversal of 234249357 is 753942432.

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.

It is not a de Polignac number, because 234249357 - 2⁷ = 234249229 is a prime.

It is a super-3 number, since 3×234249357³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234259357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39041557 + ... + 39041562.

It is an arithmetic number, because the mean of its divisors is an integer number (78083120).

Almost surely, 2^234249357 is an apocalyptic number.

It is an amenable number.

234249357 is a deficient number, since it is larger than the sum of its proper divisors (78083123).

234249357 is an equidigital number, since it uses as much as digits as its factorization.

234249357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78083122.

The product of its digits is 181440, while the sum is 39.

The square root of 234249357 is about 15305.2068591052. The cubic root of 234249357 is about 616.4428256332.

The spelling of 234249357 in words is "two hundred thirty-four million, two hundred forty-nine thousand, three hundred fifty-seven".