383975424 has 272 divisors, whose sum is σ = 1342167040. Its totient is φ = 106168320.

The previous prime is 383975411. The next prime is 383975429. The reversal of 383975424 is 424579383.

It is a self number, because there is not a number n which added to its sum of digits gives 383975424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383975429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12386289 + ... + 12386319.

Almost surely, 2^383975424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383975424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671083520).

383975424 is an abundant number, since it is smaller than the sum of its proper divisors (958191616).

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

383975424 is an frugal number, since it uses more digits than its factorization.

383975424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 43 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 383975424 is about 19595.2908628578. The cubic root of 383975424 is about 726.8327307063.

The spelling of 383975424 in words is "three hundred eighty-three million, nine hundred seventy-five thousand, four hundred twenty-four".