403313620 has 12 divisors (see below), whose sum is σ = 846958644. Its totient is φ = 161325440.

The previous prime is 403313609. The next prime is 403313657. The reversal of 403313620 is 26313304.

It can be written as a sum of positive squares in 2 ways, for example, as 142038724 + 261274896 = 11918^2 + 16164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403313591 and 403313600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10082821 + ... + 10082860.

It is an arithmetic number, because the mean of its divisors is an integer number (70579887).

Almost surely, 2^403313620 is an apocalyptic number.

It is an amenable number.

403313620 is an abundant number, since it is smaller than the sum of its proper divisors (443645024).

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

403313620 is a wasteful number, since it uses less digits than its factorization.

403313620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20165690 (or 20165688 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 403313620 is about 20082.6696432521. The cubic root of 403313620 is about 738.8352873305.

Adding to 403313620 its reverse (26313304), we get a palindrome (429626924).

The spelling of 403313620 in words is "four hundred three million, three hundred thirteen thousand, six hundred twenty".