383003964 has 144 divisors (see below), whose sum is σ = 1157485056. Its totient is φ = 108475200.

The previous prime is 383003963. The next prime is 383003989. The reversal of 383003964 is 469300383.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383003963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1231369 + ... + 1231679.

Almost surely, 2^383003964 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 383003964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578742528).

383003964 is an abundant number, since it is smaller than the sum of its proper divisors (774481092).

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

383003964 is a wasteful number, since it uses less digits than its factorization.

383003964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 383003964 is about 19570.4870659879. The cubic root of 383003964 is about 726.2192494013.

The spelling of 383003964 in words is "three hundred eighty-three million, three thousand, nine hundred sixty-four".