303229740 has 96 divisors (see below), whose sum is σ = 975018240. Its totient is φ = 69638400.

The previous prime is 303229699. The next prime is 303229741. The reversal of 303229740 is 47922303.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 303229698 and 303229707.

It is not an unprimeable number, because it can be changed into a prime (303229741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450 + ... + 24630.

It is an arithmetic number, because the mean of its divisors is an integer number (10156440).

Almost surely, 2^303229740 is an apocalyptic number.

303229740 is a gapful number since it is divisible by the number (30) 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 303229740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487509120).

303229740 is an abundant number, since it is smaller than the sum of its proper divisors (671788500).

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

303229740 is a wasteful number, since it uses less digits than its factorization.

303229740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24223 (or 24221 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 303229740 is about 17413.4930441885. The cubic root of 303229740 is about 671.8267073708.

The spelling of 303229740 in words is "three hundred three million, two hundred twenty-nine thousand, seven hundred forty".