64230998 has 32 divisors (see below), whose sum is σ = 113672160. Its totient is φ = 26933760.

The previous prime is 64230997. The next prime is 64231061. The reversal of 64230998 is 89903246.

It is a happy number.

64230998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64230998² = 8251242208152008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64230997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10313 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (3552255).

Almost surely, 2^64230998 is an apocalyptic number.

64230998 is a deficient number, since it is larger than the sum of its proper divisors (49441162).

64230998 is a wasteful number, since it uses less digits than its factorization.

64230998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 64230998 is about 8014.4243710949. The cubic root of 64230998 is about 400.4806679977.

The spelling of 64230998 in words is "sixty-four million, two hundred thirty thousand, nine hundred ninety-eight".