403385832 has 96 divisors (see below), whose sum is σ = 1152496800. Its totient is φ = 132145344.

The previous prime is 403385821. The next prime is 403385833. The reversal of 403385832 is 238583304.

403385832 is a `hidden beast` number, since 40 + 3 + 38 + 583 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (403385833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112938 + ... + 116454.

It is an arithmetic number, because the mean of its divisors is an integer number (12005175).

Almost surely, 2^403385832 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 403385832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576248400).

403385832 is an abundant number, since it is smaller than the sum of its proper divisors (749110968).

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

403385832 is a wasteful number, since it uses less digits than its factorization.

403385832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 403385832 is about 20084.4674313261. The cubic root of 403385832 is about 738.8793800557.

The spelling of 403385832 in words is "four hundred three million, three hundred eighty-five thousand, eight hundred thirty-two".