264350247 has 48 divisors (see below), whose sum is σ = 438504192. Its totient is φ = 140891520.

The previous prime is 264350209. The next prime is 264350257. The reversal of 264350247 is 742053462.

It is not a de Polignac number, because 264350247 - 2⁶ = 264350183 is a prime.

It is a super-2 number, since 2×264350247² = 139762106177922018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264350257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137668 + ... + 139574.

It is an arithmetic number, because the mean of its divisors is an integer number (9135504).

Almost surely, 2^264350247 is an apocalyptic number.

264350247 is a deficient number, since it is larger than the sum of its proper divisors (174153945).

264350247 is a wasteful number, since it uses less digits than its factorization.

264350247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 264350247 is about 16258.8513431915. The cubic root of 264350247 is about 641.7904348949.

The spelling of 264350247 in words is "two hundred sixty-four million, three hundred fifty thousand, two hundred forty-seven".