263933472 has 96 divisors (see below), whose sum is σ = 763076160. Its totient is φ = 79211520.

The previous prime is 263933447. The next prime is 263933477. The reversal of 263933472 is 274339362.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 263933472.

It is not an unprimeable number, because it can be changed into a prime (263933477) 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, 113958 + ... + 116250.

It is an arithmetic number, because the mean of its divisors is an integer number (7948710).

Almost surely, 2^263933472 is an apocalyptic number.

263933472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263933472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381538080).

263933472 is an abundant number, since it is smaller than the sum of its proper divisors (499142688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263933472 is a wasteful number, since it uses less digits than its factorization.

263933472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2418 counting only the distinct ones).

The product of its digits is 163296, while the sum is 39.

The square root of 263933472 is about 16246.0294226005. The cubic root of 263933472 is about 641.4529748953.

The spelling of 263933472 in words is "two hundred sixty-three million, nine hundred thirty-three thousand, four hundred seventy-two".