304426980 has 144 divisors (see below), whose sum is σ = 1084958784. Its totient is φ = 68117760.

The previous prime is 304426957. The next prime is 304426981. The reversal of 304426980 is 89624403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (304426981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19827 + ... + 31653.

It is an arithmetic number, because the mean of its divisors is an integer number (7534436).

Almost surely, 2^304426980 is an apocalyptic number.

304426980 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 304426980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542479392).

304426980 is an abundant number, since it is smaller than the sum of its proper divisors (780531804).

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

304426980 is a wasteful number, since it uses less digits than its factorization.

304426980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866 (or 11861 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 304426980 is about 17447.8359689676. The cubic root of 304426980 is about 672.7097359021.

The spelling of 304426980 in words is "three hundred four million, four hundred twenty-six thousand, nine hundred eighty".