388146204 has 18 divisors (see below), whose sum is σ = 981147440. Its totient is φ = 129382056.

The previous prime is 388146203. The next prime is 388146259. The reversal of 388146204 is 402641883.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10781839 = 388146204 / (3 + 8 + 8 + 1 + 4 + 6 + 2 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388146203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5390884 + ... + 5390955.

Almost surely, 2^388146204 is an apocalyptic number.

It is an amenable number.

388146204 is an abundant number, since it is smaller than the sum of its proper divisors (593001236).

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

388146204 is a wasteful number, since it uses less digits than its factorization.

388146204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781849 (or 10781844 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 388146204 is about 19701.4264458186. The cubic root of 388146204 is about 729.4549030122.

The spelling of 388146204 in words is "three hundred eighty-eight million, one hundred forty-six thousand, two hundred four".