263826342 has 96 divisors (see below), whose sum is σ = 648254880. Its totient is φ = 79056000.

The previous prime is 263826331. The next prime is 263826361. The reversal of 263826342 is 243628362.

It is a junction number, because it is equal to n+sod(n) for n = 263826297 and 263826306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2612092 + ... + 2612192.

It is an arithmetic number, because the mean of its divisors is an integer number (6752655).

Almost surely, 2^263826342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263826342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324127440).

263826342 is an abundant number, since it is smaller than the sum of its proper divisors (384428538).

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

263826342 is a wasteful number, since it uses less digits than its factorization.

263826342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 180 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 263826342 is about 16242.7319746402. The cubic root of 263826342 is about 641.3661750459.

The spelling of 263826342 in words is "two hundred sixty-three million, eight hundred twenty-six thousand, three hundred forty-two".