264806997 has 16 divisors (see below), whose sum is σ = 434555520. Its totient is φ = 139678272.

The previous prime is 264806957. The next prime is 264807013. The reversal of 264806997 is 799608462.

It is a happy number.

264806997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264806997 - 2⁷ = 264806869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264806947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484722 + ... + 485267.

It is an arithmetic number, because the mean of its divisors is an integer number (27159720).

Almost surely, 2^264806997 is an apocalyptic number.

It is an amenable number.

264806997 is a deficient number, since it is larger than the sum of its proper divisors (169748523).

264806997 is a wasteful number, since it uses less digits than its factorization.

264806997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970012.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 264806997 is about 16272.8914763173. The cubic root of 264806997 is about 642.1598552837.

The spelling of 264806997 in words is "two hundred sixty-four million, eight hundred six thousand, nine hundred ninety-seven".