387198 has 36 divisors (see below), whose sum is σ = 978120. Its totient is φ = 110376.

The previous prime is 387197. The next prime is 387199. The reversal of 387198 is 891783.

It is an interprime number because it is at equal distance from previous prime (387197) and next prime (387199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387197) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 663 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (27170).

2³⁸⁷¹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489060).

387198 is an abundant number, since it is smaller than the sum of its proper divisors (590922).

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

387198 is a wasteful number, since it uses less digits than its factorization.

387198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 451 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 387198 is about 622.2523603812. The cubic root of 387198 is about 72.8860422509.

It can be divided in two parts, 3871 and 98, that added together give a square (3969 = 63²).

The spelling of 387198 in words is "three hundred eighty-seven thousand, one hundred ninety-eight".