264867838 has 4 divisors (see below), whose sum is σ = 397301760. Its totient is φ = 132433918.

The previous prime is 264867833. The next prime is 264867853. The reversal of 264867838 is 838768462.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264867833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66216958 + ... + 66216961.

It is an arithmetic number, because the mean of its divisors is an integer number (99325440).

Almost surely, 2^264867838 is an apocalyptic number.

264867838 is a deficient number, since it is larger than the sum of its proper divisors (132433922).

264867838 is a wasteful number, since it uses less digits than its factorization.

264867838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132433921.

The product of its digits is 3096576, while the sum is 52.

The square root of 264867838 is about 16274.7607662909. The cubic root of 264867838 is about 642.2090315472.

The spelling of 264867838 in words is "two hundred sixty-four million, eight hundred sixty-seven thousand, eight hundred thirty-eight".