403620680 has 16 divisors (see below), whose sum is σ = 908146620. Its totient is φ = 161448256.

The previous prime is 403620677. The next prime is 403620683. The reversal of 403620680 is 86026304.

It is an interprime number because it is at equal distance from previous prime (403620677) and next prime (403620683).

It can be written as a sum of positive squares in 2 ways, for example, as 383924836 + 19695844 = 19594^2 + 4438^2 .

It is not an unprimeable number, because it can be changed into a prime (403620683) by changing a digit.

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, 5045219 + ... + 5045298.

Almost surely, 2^403620680 is an apocalyptic number.

403620680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403620680 is an abundant number, since it is smaller than the sum of its proper divisors (504525940).

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

403620680 is a wasteful number, since it uses less digits than its factorization.

403620680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090528 (or 10090524 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 403620680 is about 20090.3130886505. The cubic root of 403620680 is about 739.0227421233.

Adding to 403620680 its reverse (86026304), we get a palindrome (489646984).

The spelling of 403620680 in words is "four hundred three million, six hundred twenty thousand, six hundred eighty".