385922438 has 16 divisors (see below), whose sum is σ = 632022480. Its totient is φ = 175276800.

The previous prime is 385922437. The next prime is 385922443. The reversal of 385922438 is 834229583.

It is a super-3 number, since 3×385922438³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385922431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23498 + ... + 36386.

It is an arithmetic number, because the mean of its divisors is an integer number (39501405).

Almost surely, 2^385922438 is an apocalyptic number.

385922438 is a deficient number, since it is larger than the sum of its proper divisors (246100042).

385922438 is a wasteful number, since it uses less digits than its factorization.

385922438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14263.

The product of its digits is 414720, while the sum is 44.

The square root of 385922438 is about 19644.9087042928. The cubic root of 385922438 is about 728.0591705619.

The spelling of 385922438 in words is "three hundred eighty-five million, nine hundred twenty-two thousand, four hundred thirty-eight".