398037195 has 24 divisors (see below), whose sum is σ = 719930016. Its totient is φ = 203056128.

The previous prime is 398037191. The next prime is 398037221. The reversal of 398037195 is 591730893.

It is a happy number.

It is not a de Polignac number, because 398037195 - 2² = 398037191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 398037195.

It is not an unprimeable number, because it can be changed into a prime (398037191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191254 + ... + 193323.

It is an arithmetic number, because the mean of its divisors is an integer number (29997084).

Almost surely, 2^398037195 is an apocalyptic number.

398037195 is a deficient number, since it is larger than the sum of its proper divisors (321892821).

398037195 is a wasteful number, since it uses less digits than its factorization.

398037195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384611 (or 384608 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 398037195 is about 19950.8695299227. The cubic root of 398037195 is about 735.5991504966.

The spelling of 398037195 in words is "three hundred ninety-eight million, thirty-seven thousand, one hundred ninety-five".