63309394 has 16 divisors (see below), whose sum is σ = 100935936. Its totient is φ = 29678400.

The previous prime is 63309313. The next prime is 63309397. The reversal of 63309394 is 49390336.

It is not an unprimeable number, because it can be changed into a prime (63309397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5779 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (6308496).

Almost surely, 2^63309394 is an apocalyptic number.

63309394 is a deficient number, since it is larger than the sum of its proper divisors (37626542).

63309394 is a wasteful number, since it uses less digits than its factorization.

63309394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 63309394 is about 7956.7200528861. The cubic root of 63309394 is about 398.5560311573.

The spelling of 63309394 in words is "sixty-three million, three hundred nine thousand, three hundred ninety-four".