388494699 has 8 divisors (see below), whose sum is σ = 518485392. Its totient is φ = 258750240.

The previous prime is 388494649. The next prime is 388494707. The reversal of 388494699 is 996494883.

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

It is not a de Polignac number, because 388494699 - 2⁸ = 388494443 is a prime.

It is a super-2 number, since 2×388494699² = 301856262302201202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (388494649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57844 + ... + 64209.

It is an arithmetic number, because the mean of its divisors is an integer number (64810674).

Almost surely, 2^388494699 is an apocalyptic number.

388494699 is a deficient number, since it is larger than the sum of its proper divisors (129990693).

388494699 is a wasteful number, since it uses less digits than its factorization.

388494699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123117.

The product of its digits is 13436928, while the sum is 60.

The square root of 388494699 is about 19710.2688718343. The cubic root of 388494699 is about 729.6731501066.

The spelling of 388494699 in words is "three hundred eighty-eight million, four hundred ninety-four thousand, six hundred ninety-nine".