403620132 has 24 divisors (see below), whose sum is σ = 942127200. Its totient is φ = 134490496.

The previous prime is 403620071. The next prime is 403620143. The reversal of 403620132 is 231026304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403620099 and 403620108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44044 + ... + 52412.

It is an arithmetic number, because the mean of its divisors is an integer number (39255300).

Almost surely, 2^403620132 is an apocalyptic number.

It is an amenable number.

403620132 is an abundant number, since it is smaller than the sum of its proper divisors (538507068).

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

403620132 is a wasteful number, since it uses less digits than its factorization.

403620132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12395 (or 12393 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 403620132 is about 20090.2994502322. The cubic root of 403620132 is about 739.0224076635.

Adding to 403620132 its reverse (231026304), we get a palindrome (634646436).

The spelling of 403620132 in words is "four hundred three million, six hundred twenty thousand, one hundred thirty-two".