263007996 has 12 divisors (see below), whose sum is σ = 613685352. Its totient is φ = 87669328.

The previous prime is 263007991. The next prime is 263008001. The reversal of 263007996 is 699700362.

It is an interprime number because it is at equal distance from previous prime (263007991) and next prime (263008001).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263007991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10958655 + ... + 10958678.

It is an arithmetic number, because the mean of its divisors is an integer number (51140446).

Almost surely, 2^263007996 is an apocalyptic number.

It is an amenable number.

263007996 is an abundant number, since it is smaller than the sum of its proper divisors (350677356).

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

263007996 is a wasteful number, since it uses less digits than its factorization.

263007996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21917340 (or 21917338 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 263007996 is about 16217.5212655942. The cubic root of 263007996 is about 640.7023506871.

The spelling of 263007996 in words is "two hundred sixty-three million, seven thousand, nine hundred ninety-six".