263948433 has 8 divisors (see below), whose sum is σ = 402207168. Its totient is φ = 150827664.

The previous prime is 263948413. The next prime is 263948467. The reversal of 263948433 is 334849362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263948433 - 2⁶ = 263948369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263948413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6284466 + ... + 6284507.

It is an arithmetic number, because the mean of its divisors is an integer number (50275896).

Almost surely, 2^263948433 is an apocalyptic number.

It is an amenable number.

263948433 is a deficient number, since it is larger than the sum of its proper divisors (138258735).

263948433 is a wasteful number, since it uses less digits than its factorization.

263948433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568983.

The product of its digits is 373248, while the sum is 42.

The square root of 263948433 is about 16246.4898670451. The cubic root of 263948433 is about 641.4650948645.

The spelling of 263948433 in words is "two hundred sixty-three million, nine hundred forty-eight thousand, four hundred thirty-three".