388073934 has 48 divisors (see below), whose sum is σ = 872027520. Its totient is φ = 124597440.

The previous prime is 388073929. The next prime is 388073941. The reversal of 388073934 is 439370883.

It is a happy number.

It is a super-3 number, since 3×388073934³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 388073934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126264 + ... + 129300.

It is an arithmetic number, because the mean of its divisors is an integer number (18167240).

Almost surely, 2^388073934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388073934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436013760).

388073934 is an abundant number, since it is smaller than the sum of its proper divisors (483953586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388073934 is a wasteful number, since it uses less digits than its factorization.

388073934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 388073934 is about 19699.5922292823. The cubic root of 388073934 is about 729.4096271364.

The spelling of 388073934 in words is "three hundred eighty-eight million, seventy-three thousand, nine hundred thirty-four".