264785983 has 16 divisors (see below), whose sum is σ = 332734464. Its totient is φ = 204694560.

The previous prime is 264785981. The next prime is 264785987. The reversal of 264785983 is 389587462.

It is not a de Polignac number, because 264785983 - 2¹ = 264785981 is a prime.

It is a super-2 number, since 2×264785983² = 140223233586552578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264785983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264785981) 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, 3760 + ... + 23317.

It is an arithmetic number, because the mean of its divisors is an integer number (20795904).

Almost surely, 2^264785983 is an apocalyptic number.

264785983 is a deficient number, since it is larger than the sum of its proper divisors (67948481).

264785983 is a wasteful number, since it uses less digits than its factorization.

264785983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27222.

The product of its digits is 2903040, while the sum is 52.

The square root of 264785983 is about 16272.2457884583. The cubic root of 264785983 is about 642.1428684413.

The spelling of 264785983 in words is "two hundred sixty-four million, seven hundred eighty-five thousand, nine hundred eighty-three".