303400000 has 168 divisors, whose sum is σ = 791714952. Its totient is φ = 115200000.

The previous prime is 303399997. The next prime is 303400033. The reversal of 303400000 is 4303.

It can be written as a sum of positive squares in 12 ways, for example, as 303317056 + 82944 = 17416^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 303400000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7399980 + ... + 7400020.

It is an arithmetic number, because the mean of its divisors is an integer number (4712589).

Almost surely, 2^303400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395857476).

303400000 is an abundant number, since it is smaller than the sum of its proper divisors (488314952).

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

303400000 is an frugal number, since it uses more digits than its factorization.

303400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 303400000 is about 17418.3810958424. The cubic root of 303400000 is about 671.9524248254.

Adding to 303400000 its reverse (4303), we get a palindrome (303404303).

The spelling of 303400000 in words is "three hundred three million, four hundred thousand".