303430472 has 8 divisors (see below), whose sum is σ = 568932150. Its totient is φ = 151715232.

The previous prime is 303430469. The next prime is 303430529. The reversal of 303430472 is 274034303.

It can be written as a sum of positive squares in only one way, i.e., 209844196 + 93586276 = 14486^2 + 9674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18964397 + ... + 18964412.

Almost surely, 2^303430472 is an apocalyptic number.

It is an amenable number.

303430472 is a deficient number, since it is larger than the sum of its proper divisors (265501678).

303430472 is a wasteful number, since it uses less digits than its factorization.

303430472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37928815 (or 37928811 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 303430472 is about 17419.2557820362. The cubic root of 303430472 is about 671.9749199351.

Adding to 303430472 its reverse (274034303), we get a palindrome (577464775).

The spelling of 303430472 in words is "three hundred three million, four hundred thirty thousand, four hundred seventy-two".