42898338 has 48 divisors (see below), whose sum is σ = 106666560. Its totient is φ = 12205728.

The previous prime is 42898321. The next prime is 42898351. The reversal of 42898338 is 83389824.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42898293 and 42898302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38128 + ... + 39236.

It is an arithmetic number, because the mean of its divisors is an integer number (2222220).

Almost surely, 2^42898338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42898338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53333280).

42898338 is an abundant number, since it is smaller than the sum of its proper divisors (63768222).

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

42898338 is a wasteful number, since it uses less digits than its factorization.

42898338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1428 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 42898338 is about 6549.6822823706. The cubic root of 42898338 is about 350.0634932429.

The spelling of 42898338 in words is "forty-two million, eight hundred ninety-eight thousand, three hundred thirty-eight".