948599321 has 2 divisors, whose sum is σ = 948599322. Its totient is φ = 948599320.

The previous prime is 948599317. The next prime is 948599363. The reversal of 948599321 is 123995849.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946423696 + 2175625 = 30764^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 948599321 - 2² = 948599317 is a prime.

It is a super-2 number, since 2×948599321² = 1799681343603322082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 948599321.

It is not a weakly prime, because it can be changed into another prime (948599381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474299660 + 474299661.

It is an arithmetic number, because the mean of its divisors is an integer number (474299661).

Almost surely, 2^948599321 is an apocalyptic number.

It is an amenable number.

948599321 is a deficient number, since it is larger than the sum of its proper divisors (1).

948599321 is an equidigital number, since it uses as much as digits as its factorization.

948599321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The square root of 948599321 is about 30799.3396195438. The cubic root of 948599321 is about 982.5642000837.

The spelling of 948599321 in words is "nine hundred forty-eight million, five hundred ninety-nine thousand, three hundred twenty-one".