403346080 has 96 divisors (see below), whose sum is σ = 1014639696. Its totient is φ = 150994944.

The previous prime is 403346077. The next prime is 403346089. The reversal of 403346080 is 80643304.

It can be written as a sum of positive squares in 8 ways, for example, as 403045776 + 300304 = 20076^2 + 548^2 .

It is not an unprimeable number, because it can be changed into a prime (403346089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698752 + ... + 699328.

Almost surely, 2^403346080 is an apocalyptic number.

403346080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403346080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507319848).

403346080 is an abundant number, since it is smaller than the sum of its proper divisors (611293616).

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

403346080 is a wasteful number, since it uses less digits than its factorization.

403346080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 403346080 is about 20083.4777864791. The cubic root of 403346080 is about 738.8551080927.

Adding to 403346080 its reverse (80643304), we get a palindrome (483989384).

The spelling of 403346080 in words is "four hundred three million, three hundred forty-six thousand, eighty".