388604134 has 4 divisors (see below), whose sum is σ = 582906204. Its totient is φ = 194302066.

The previous prime is 388604129. The next prime is 388604143. The reversal of 388604134 is 431406883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431406883 = 23 ⋅18756821.

It is a junction number, because it is equal to n+sod(n) for n = 388604093 and 388604102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97151032 + ... + 97151035.

It is an arithmetic number, because the mean of its divisors is an integer number (145726551).

Almost surely, 2^388604134 is an apocalyptic number.

388604134 is a deficient number, since it is larger than the sum of its proper divisors (194302070).

388604134 is a wasteful number, since it uses less digits than its factorization.

388604134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194302069.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 388604134 is about 19713.0447673615. The cubic root of 388604134 is about 729.7416575060.

The spelling of 388604134 in words is "three hundred eighty-eight million, six hundred four thousand, one hundred thirty-four".