42886398 has 16 divisors (see below), whose sum is σ = 89502336. Its totient is φ = 13673880.

The previous prime is 42886397. The next prime is 42886409. The reversal of 42886398 is 89368824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42886391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155248 + ... + 155523.

It is an arithmetic number, because the mean of its divisors is an integer number (5593896).

Almost surely, 2^42886398 is an apocalyptic number.

42886398 is an abundant number, since it is smaller than the sum of its proper divisors (46615938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42886398 is a wasteful number, since it uses less digits than its factorization.

42886398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310799.

The product of its digits is 663552, while the sum is 48.

The square root of 42886398 is about 6548.7707243421. The cubic root of 42886398 is about 350.0310122180.

The spelling of 42886398 in words is "forty-two million, eight hundred eighty-six thousand, three hundred ninety-eight".