42798403 has 8 divisors (see below), whose sum is σ = 44362080. Its totient is φ = 41240640.

The previous prime is 42798397. The next prime is 42798407. The reversal of 42798403 is 30489724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42798403 - 2¹³ = 42790211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42798407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17623 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (5545260).

Almost surely, 2^42798403 is an apocalyptic number.

42798403 is a deficient number, since it is larger than the sum of its proper divisors (1563677).

42798403 is a wasteful number, since it uses less digits than its factorization.

42798403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 42798403 is about 6542.0488380935. The cubic root of 42798403 is about 349.7914485461.

The spelling of 42798403 in words is "forty-two million, seven hundred ninety-eight thousand, four hundred three".