264979838 has 4 divisors (see below), whose sum is σ = 397469760. Its totient is φ = 132489918.

The previous prime is 264979823. The next prime is 264979861. The reversal of 264979838 is 838979462.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66244958 + ... + 66244961.

It is an arithmetic number, because the mean of its divisors is an integer number (99367440).

Almost surely, 2^264979838 is an apocalyptic number.

264979838 is a deficient number, since it is larger than the sum of its proper divisors (132489922).

264979838 is a wasteful number, since it uses less digits than its factorization.

264979838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132489921.

The product of its digits is 5225472, while the sum is 56.

The square root of 264979838 is about 16278.2013134130. The cubic root of 264979838 is about 642.2995386673.

The spelling of 264979838 in words is "two hundred sixty-four million, nine hundred seventy-nine thousand, eight hundred thirty-eight".