388089092 has 12 divisors (see below), whose sum is σ = 680279040. Its totient is φ = 193723656.

The previous prime is 388089083. The next prime is 388089101. The reversal of 388089092 is 290980883.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (388089083) and next prime (388089101).

It is a super-2 number, since 2×388089092² = 301226286658768928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77492 + ... + 82347.

It is an arithmetic number, because the mean of its divisors is an integer number (56689920).

Almost surely, 2^388089092 is an apocalyptic number.

It is an amenable number.

388089092 is a deficient number, since it is larger than the sum of its proper divisors (292189948).

388089092 is a wasteful number, since it uses less digits than its factorization.

388089092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160450 (or 160448 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 388089092 is about 19699.9769543012. The cubic root of 388089092 is about 729.4191238209.

The spelling of 388089092 in words is "three hundred eighty-eight million, eighty-nine thousand, ninety-two".