42248398 has 4 divisors (see below), whose sum is σ = 63372600. Its totient is φ = 21124198.

The previous prime is 42248377. The next prime is 42248399. The reversal of 42248398 is 89384224.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42248398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42248399) 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 as a sum of consecutive naturals, namely, 10562098 + ... + 10562101.

It is an arithmetic number, because the mean of its divisors is an integer number (15843150).

Almost surely, 2^42248398 is an apocalyptic number.

42248398 is a deficient number, since it is larger than the sum of its proper divisors (21124202).

42248398 is a wasteful number, since it uses less digits than its factorization.

42248398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21124201.

The product of its digits is 110592, while the sum is 40.

The square root of 42248398 is about 6499.8767680626. The cubic root of 42248398 is about 348.2865862701.

The spelling of 42248398 in words is "forty-two million, two hundred forty-eight thousand, three hundred ninety-eight".