798149542 has 32 divisors (see below), whose sum is σ = 1323967680. Its totient is φ = 359546880.

The previous prime is 798149509. The next prime is 798149543. The reversal of 798149542 is 245941897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798149543) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 47398 + ... + 61990.

It is an arithmetic number, because the mean of its divisors is an integer number (41373990).

Almost surely, 2^798149542 is an apocalyptic number.

798149542 is a deficient number, since it is larger than the sum of its proper divisors (525818138).

798149542 is a wasteful number, since it uses less digits than its factorization.

798149542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688.

The product of its digits is 725760, while the sum is 49.

The square root of 798149542 is about 28251.5405243679. The cubic root of 798149542 is about 927.6014587151.

The spelling of 798149542 in words is "seven hundred ninety-eight million, one hundred forty-nine thousand, five hundred forty-two".