387798 has 8 divisors (see below), whose sum is σ = 775608. Its totient is φ = 129264.

The previous prime is 387791. The next prime is 387799. The reversal of 387798 is 897783.

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

387798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387791) 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, 32311 + ... + 32322.

It is an arithmetic number, because the mean of its divisors is an integer number (96951).

2³⁸⁷⁷⁹⁸ is an apocalyptic number.

387798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387798 is a wasteful number, since it uses less digits than its factorization.

387798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64638.

The product of its digits is 84672, while the sum is 42.

The square root of 387798 is about 622.7342932584. The cubic root of 387798 is about 72.9236707648.

The spelling of 387798 in words is "three hundred eighty-seven thousand, seven hundred ninety-eight".