64281198 has 16 divisors (see below), whose sum is σ = 128656080. Its totient is φ = 21411456.

The previous prime is 64281137. The next prime is 64281223. The reversal of 64281198 is 89118246.

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, 7648 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (8041005).

Almost surely, 2^64281198 is an apocalyptic number.

64281198 is an abundant number, since it is smaller than the sum of its proper divisors (64374882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64281198 is a wasteful number, since it uses less digits than its factorization.

64281198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811.

The product of its digits is 27648, while the sum is 39.

The square root of 64281198 is about 8017.5556125293. Note that the first 3 decimals coincide. The cubic root of 64281198 is about 400.5849732653.

It can be divided in two parts, 6428 and 1198, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 64281198 in words is "sixty-four million, two hundred eighty-one thousand, one hundred ninety-eight".