403332132 has 36 divisors (see below), whose sum is σ = 1094760240. Its totient is φ = 115237584.

The previous prime is 403332121. The next prime is 403332169. The reversal of 403332132 is 231233304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 403332099 and 403332108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342382 + ... + 343557.

Almost surely, 2^403332132 is an apocalyptic number.

403332132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403332132 is an abundant number, since it is smaller than the sum of its proper divisors (691428108).

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

403332132 is a wasteful number, since it uses less digits than its factorization.

403332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685960 (or 685951 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 403332132 is about 20083.1305328626. The cubic root of 403332132 is about 738.8465912794.

Adding to 403332132 its reverse (231233304), we get a palindrome (634565436).

The spelling of 403332132 in words is "four hundred three million, three hundred thirty-two thousand, one hundred thirty-two".