383393472 has 112 divisors (see below), whose sum is σ = 1264749312. Its totient is φ = 99578880.

The previous prime is 383393471. The next prime is 383393473. The reversal of 383393472 is 274393383.

It is an interprime number because it is at equal distance from previous prime (383393471) and next prime (383393473).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (383393471) 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, 1818 + ... + 27750.

Almost surely, 2^383393472 is an apocalyptic number.

383393472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383393472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632374656).

383393472 is an abundant number, since it is smaller than the sum of its proper divisors (881355840).

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

383393472 is a wasteful number, since it uses less digits than its factorization.

383393472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25966 (or 25956 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 383393472 is about 19580.4359502029. The cubic root of 383393472 is about 726.4653498751.

The spelling of 383393472 in words is "three hundred eighty-three million, three hundred ninety-three thousand, four hundred seventy-two".