388674069 has 32 divisors (see below), whose sum is σ = 608083200. Its totient is φ = 216233472.

The previous prime is 388674061. The next prime is 388674071. The reversal of 388674069 is 960476883.

It is not a de Polignac number, because 388674069 - 2³ = 388674061 is a prime.

It is a super-2 number, since 2×388674069² = 302135063826033522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388674061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151207 + ... + 153755.

It is an arithmetic number, because the mean of its divisors is an integer number (19002600).

Almost surely, 2^388674069 is an apocalyptic number.

It is an amenable number.

388674069 is a deficient number, since it is larger than the sum of its proper divisors (219409131).

388674069 is a wasteful number, since it uses less digits than its factorization.

388674069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 388674069 is about 19714.8185129866. The cubic root of 388674069 is about 729.7854307765.

The spelling of 388674069 in words is "three hundred eighty-eight million, six hundred seventy-four thousand, sixty-nine".