263420084 has 6 divisors (see below), whose sum is σ = 460985154. Its totient is φ = 131710040.

The previous prime is 263420077. The next prime is 263420089. The reversal of 263420084 is 480024362.

It can be written as a sum of positive squares in only one way, i.e., 195720100 + 67699984 = 13990^2 + 8228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263420089) by changing a digit.

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 as a sum of consecutive naturals, namely, 32927507 + ... + 32927514.

It is an arithmetic number, because the mean of its divisors is an integer number (76830859).

Almost surely, 2^263420084 is an apocalyptic number.

It is an amenable number.

263420084 is a deficient number, since it is larger than the sum of its proper divisors (197565070).

263420084 is a wasteful number, since it uses less digits than its factorization.

263420084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65855025 (or 65855023 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 263420084 is about 16230.2213170369. The cubic root of 263420084 is about 641.0367992970.

The spelling of 263420084 in words is "two hundred sixty-three million, four hundred twenty thousand, eighty-four".