303239664 has 240 divisors, whose sum is σ = 1062140352. Its totient is φ = 78630912.

The previous prime is 303239663. The next prime is 303239669. The reversal of 303239664 is 466932303.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303239663) 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 47 ways as a sum of consecutive naturals, for example, 956434 + ... + 956750.

Almost surely, 2^303239664 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 303239664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531070176).

303239664 is an abundant number, since it is smaller than the sum of its proper divisors (758900688).

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

303239664 is a wasteful number, since it uses less digits than its factorization.

303239664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 303239664 is about 17413.7779933017. Note that the first 3 decimals coincide. The cubic root of 303239664 is about 671.8340363964.

The spelling of 303239664 in words is "three hundred three million, two hundred thirty-nine thousand, six hundred sixty-four".