198946410 has 128 divisors (see below), whose sum is σ = 559851264. Its totient is φ = 44789760.

The previous prime is 198946387. The next prime is 198946493. The reversal of 198946410 is 14649891.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 244905 + ... + 245715.

It is an arithmetic number, because the mean of its divisors is an integer number (4373838).

Almost surely, 2^198946410 is an apocalyptic number.

198946410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 198946410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279925632).

198946410 is an abundant number, since it is smaller than the sum of its proper divisors (360904854).

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

198946410 is a wasteful number, since it uses less digits than its factorization.

198946410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 198946410 is about 14104.8364045812. The cubic root of 198946410 is about 583.7748338351.

The spelling of 198946410 in words is "one hundred ninety-eight million, nine hundred forty-six thousand, four hundred ten".