388862445 has 8 divisors (see below), whose sum is σ = 622179936. Its totient is φ = 207393296.

The previous prime is 388862413. The next prime is 388862447. The reversal of 388862445 is 544268883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 388862445 - 2⁵ = 388862413 is a prime.

It is a super-2 number, since 2×388862445² = 302428002262756050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388862394 and 388862403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388862447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12962067 + ... + 12962096.

It is an arithmetic number, because the mean of its divisors is an integer number (77772492).

Almost surely, 2^388862445 is an apocalyptic number.

It is an amenable number.

388862445 is a deficient number, since it is larger than the sum of its proper divisors (233317491).

388862445 is a wasteful number, since it uses less digits than its factorization.

388862445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25924171.

The product of its digits is 1474560, while the sum is 48.

The square root of 388862445 is about 19719.5954573110. The cubic root of 388862445 is about 729.9033117705.

The spelling of 388862445 in words is "three hundred eighty-eight million, eight hundred sixty-two thousand, four hundred forty-five".