388141974 has 96 divisors (see below), whose sum is σ = 990662400. Its totient is φ = 108588480.

The previous prime is 388141969. The next prime is 388142009. The reversal of 388141974 is 479141883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130597 + ... + 133535.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2^388141974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388141974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495331200).

388141974 is an abundant number, since it is smaller than the sum of its proper divisors (602520426).

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

388141974 is a wasteful number, since it uses less digits than its factorization.

388141974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3007 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 388141974 is about 19701.3190928932. The cubic root of 388141974 is about 729.4522531470.

Subtracting 388141974 from its reverse (479141883), we obtain a palindrome (90999909).

The spelling of 388141974 in words is "three hundred eighty-eight million, one hundred forty-one thousand, nine hundred seventy-four".