388862142 has 8 divisors (see below), whose sum is σ = 777724296. Its totient is φ = 129620712.

The previous prime is 388862141. The next prime is 388862143. The reversal of 388862142 is 241268883.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (388862141) and next prime (388862143).

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

388862142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 388862094 and 388862103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388862141) 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, 32405173 + ... + 32405184.

It is an arithmetic number, because the mean of its divisors is an integer number (97215537).

Almost surely, 2^388862142 is an apocalyptic number.

388862142 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.

388862142 is a wasteful number, since it uses less digits than its factorization.

388862142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64810362.

The product of its digits is 147456, while the sum is 42.

The square root of 388862142 is about 19719.5877745961. The cubic root of 388862142 is about 729.9031221912.

The spelling of 388862142 in words is "three hundred eighty-eight million, eight hundred sixty-two thousand, one hundred forty-two".