381625198 has 8 divisors (see below), whose sum is σ = 575747208. Its totient is φ = 189709464.

The previous prime is 381625193. The next prime is 381625199. The reversal of 381625198 is 891526183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×381625198³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381625193) 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, 551136 + ... + 551827.

It is an arithmetic number, because the mean of its divisors is an integer number (71968401).

Almost surely, 2^381625198 is an apocalyptic number.

381625198 is a deficient number, since it is larger than the sum of its proper divisors (194122010).

381625198 is a wasteful number, since it uses less digits than its factorization.

381625198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103138.

The product of its digits is 103680, while the sum is 43.

The square root of 381625198 is about 19535.2296633544. The cubic root of 381625198 is about 725.3467690319.

The spelling of 381625198 in words is "three hundred eighty-one million, six hundred twenty-five thousand, one hundred ninety-eight".