403652032 has 28 divisors (see below), whose sum is σ = 915426160. Its totient is φ = 172993536.

The previous prime is 403651949. The next prime is 403652033. The reversal of 403652032 is 230256304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 403651988 and 403652006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403652033) 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 3 ways as a sum of consecutive naturals, for example, 450057 + ... + 450952.

Almost surely, 2^403652032 is an apocalyptic number.

It is an amenable number.

403652032 is an abundant number, since it is smaller than the sum of its proper divisors (511774128).

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

403652032 is an equidigital number, since it uses as much as digits as its factorization.

403652032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901028 (or 901018 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 403652032 is about 20091.0933500395. The cubic root of 403652032 is about 739.0418766245.

The spelling of 403652032 in words is "four hundred three million, six hundred fifty-two thousand, thirty-two".