263273832 has 96 divisors (see below), whose sum is σ = 781115400. Its totient is φ = 79736832.

The previous prime is 263273767. The next prime is 263273909. The reversal of 263273832 is 238372362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 262245636 + 1028196 = 16194^2 + 1014^2 .

It is a super-2 number, since 2×263273832² = 138626221231928448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31788 + ... + 39204.

Almost surely, 2^263273832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263273832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390557700).

263273832 is an abundant number, since it is smaller than the sum of its proper divisors (517841568).

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

263273832 is a wasteful number, since it uses less digits than its factorization.

263273832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475 (or 7468 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 263273832 is about 16225.7151460267. The cubic root of 263273832 is about 640.9181418424.

The spelling of 263273832 in words is "two hundred sixty-three million, two hundred seventy-three thousand, eight hundred thirty-two".