198472064 has 32 divisors (see below), whose sum is σ = 451880400. Its totient is φ = 85059072.

The previous prime is 198472063. The next prime is 198472139. The reversal of 198472064 is 460274891.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198472063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109859 + ... + 111650.

Almost surely, 2^198472064 is an apocalyptic number.

198472064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198472064 is an abundant number, since it is smaller than the sum of its proper divisors (253408336).

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

198472064 is an equidigital number, since it uses as much as digits as its factorization.

198472064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221530 (or 221518 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 198472064 is about 14088.0113571788. The cubic root of 198472064 is about 583.3105017096.

The spelling of 198472064 in words is "one hundred ninety-eight million, four hundred seventy-two thousand, sixty-four".