263990462 has 8 divisors (see below), whose sum is σ = 396155496. Its totient is φ = 131938632.

The previous prime is 263990443. The next prime is 263990473. The reversal of 263990462 is 264099362.

263990462 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22208 + ... + 31955.

It is an arithmetic number, because the mean of its divisors is an integer number (49519437).

Almost surely, 2^263990462 is an apocalyptic number.

263990462 is a deficient number, since it is larger than the sum of its proper divisors (132165034).

263990462 is a wasteful number, since it uses less digits than its factorization.

263990462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56602.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 263990462 is about 16247.7832949606. The cubic root of 263990462 is about 641.4991402843.

Subtracting 263990462 from its reverse (264099362), we obtain a square (108900 = 330²).

The spelling of 263990462 in words is "two hundred sixty-three million, nine hundred ninety thousand, four hundred sixty-two".