388741100 has 36 divisors (see below), whose sum is σ = 920258808. Its totient is φ = 141360000.

The previous prime is 388741081. The next prime is 388741141. The reversal of 388741100 is 1147883.

It is a super-2 number, since 2×388741100² = 302239285658420000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175601 + ... + 177800.

Almost surely, 2^388741100 is an apocalyptic number.

It is an amenable number.

388741100 is an abundant number, since it is smaller than the sum of its proper divisors (531517708).

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

388741100 is a wasteful number, since it uses less digits than its factorization.

388741100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353426 (or 353419 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 388741100 is about 19716.5184553460. The cubic root of 388741100 is about 729.8273814658.

Adding to 388741100 its reverse (1147883), we get a palindrome (389888983).

The spelling of 388741100 in words is "three hundred eighty-eight million, seven hundred forty-one thousand, one hundred".