64249198 has 16 divisors (see below), whose sum is σ = 105212016. Its totient is φ = 29246400.

The previous prime is 64249183. The next prime is 64249219. The reversal of 64249198 is 89194246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15028 + ... + 18823.

It is an arithmetic number, because the mean of its divisors is an integer number (6575751).

Almost surely, 2^64249198 is an apocalyptic number.

64249198 is a deficient number, since it is larger than the sum of its proper divisors (40962818).

64249198 is a wasteful number, since it uses less digits than its factorization.

64249198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33939.

The product of its digits is 124416, while the sum is 43.

The square root of 64249198 is about 8015.5597433991. The cubic root of 64249198 is about 400.5184901296.

The spelling of 64249198 in words is "sixty-four million, two hundred forty-nine thousand, one hundred ninety-eight".