388058242 has 32 divisors (see below), whose sum is σ = 719853120. Its totient is φ = 154249920.

The previous prime is 388058233. The next prime is 388058249. The reversal of 388058242 is 242850883.

It is a junction number, because it is equal to n+sod(n) for n = 388058195 and 388058204.

It is not an unprimeable number, because it can be changed into a prime (388058249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30273 + ... + 41140.

It is an arithmetic number, because the mean of its divisors is an integer number (22495410).

Almost surely, 2^388058242 is an apocalyptic number.

388058242 is a deficient number, since it is larger than the sum of its proper divisors (331794878).

388058242 is a wasteful number, since it uses less digits than its factorization.

388058242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71458.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 388058242 is about 19699.1939429003. The cubic root of 388058242 is about 729.3997956334.

The spelling of 388058242 in words is "three hundred eighty-eight million, fifty-eight thousand, two hundred forty-two".