264998 has 4 divisors (see below), whose sum is σ = 397500. Its totient is φ = 132498.

The previous prime is 264997. The next prime is 265003. The reversal of 264998 is 899462.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 264998.

It is not an unprimeable number, because it can be changed into a prime (264991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66248 + ... + 66251.

It is an arithmetic number, because the mean of its divisors is an integer number (99375).

2²⁶⁴⁹⁹⁸ is an apocalyptic number.

264998 is a deficient number, since it is larger than the sum of its proper divisors (132502).

264998 is a wasteful number, since it uses less digits than its factorization.

264998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132501.

The product of its digits is 31104, while the sum is 38.

The square root of 264998 is about 514.7795644740. The cubic root of 264998 is about 64.2314212963.

The spelling of 264998 in words is "two hundred sixty-four thousand, nine hundred ninety-eight".