798390148 has 6 divisors (see below), whose sum is σ = 1397182766. Its totient is φ = 399195072.

The previous prime is 798390139. The next prime is 798390161. The reversal of 798390148 is 841093897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 693163584 + 105226564 = 26328^2 + 10258^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99798765 + ... + 99798772.

Almost surely, 2^798390148 is an apocalyptic number.

It is an amenable number.

798390148 is a deficient number, since it is larger than the sum of its proper divisors (598792618).

798390148 is a wasteful number, since it uses less digits than its factorization.

798390148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199597541 (or 199597539 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 798390148 is about 28255.7984845589. The cubic root of 798390148 is about 927.6946593171.

The spelling of 798390148 in words is "seven hundred ninety-eight million, three hundred ninety thousand, one hundred forty-eight".