63400318 has 16 divisors (see below), whose sum is σ = 97873776. Its totient is φ = 30784320.

The previous prime is 63400261. The next prime is 63400319. The reversal of 63400318 is 81300436.

It is a super-2 number, since 2×63400318² = 8039200645002248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63400292 and 63400301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63400319) 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 in 7 ways as a sum of consecutive naturals, for example, 13530 + ... + 17602.

It is an arithmetic number, because the mean of its divisors is an integer number (6117111).

Almost surely, 2^63400318 is an apocalyptic number.

63400318 is a deficient number, since it is larger than the sum of its proper divisors (34473458).

63400318 is a wasteful number, since it uses less digits than its factorization.

63400318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63400318 is about 7962.4316637570. The cubic root of 63400318 is about 398.7467399490.

The spelling of 63400318 in words is "sixty-three million, four hundred thousand, three hundred eighteen".