42798494 has 8 divisors (see below), whose sum is σ = 64227720. Its totient is φ = 21389256.

The previous prime is 42798493. The next prime is 42798521. The reversal of 42798494 is 49489724.

42798494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42798494² = 3663422177336072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42798491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (8028465).

Almost surely, 2^42798494 is an apocalyptic number.

42798494 is a deficient number, since it is larger than the sum of its proper divisors (21429226).

42798494 is a wasteful number, since it uses less digits than its factorization.

42798494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994.

The product of its digits is 580608, while the sum is 47.

The square root of 42798494 is about 6542.0557930975. The cubic root of 42798494 is about 349.7916964603.

The spelling of 42798494 in words is "forty-two million, seven hundred ninety-eight thousand, four hundred ninety-four".