263743434 has 24 divisors (see below), whose sum is σ = 574872480. Its totient is φ = 87387048.

The previous prime is 263743409. The next prime is 263743463. The reversal of 263743434 is 434347362.

263743434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×263743434² = 139121197956224712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40864 + ... + 46875.

It is an arithmetic number, because the mean of its divisors is an integer number (23953020).

Almost surely, 2^263743434 is an apocalyptic number.

263743434 is an abundant number, since it is smaller than the sum of its proper divisors (311129046).

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

263743434 is a wasteful number, since it uses less digits than its factorization.

263743434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87914 (or 87911 counting only the distinct ones).

The product of its digits is 145152, while the sum is 36.

The square root of 263743434 is about 16240.1796172333. The cubic root of 263743434 is about 641.2989844367.

The spelling of 263743434 in words is "two hundred sixty-three million, seven hundred forty-three thousand, four hundred thirty-four".