42998128 has 10 divisors (see below), whose sum is σ = 83308904. Its totient is φ = 21499056.

The previous prime is 42998099. The next prime is 42998141. The reversal of 42998128 is 82189924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343676 + ... + 1343707.

Almost surely, 2^42998128 is an apocalyptic number.

It is an amenable number.

42998128 is a deficient number, since it is larger than the sum of its proper divisors (40310776).

42998128 is a wasteful number, since it uses less digits than its factorization.

42998128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687391 (or 2687385 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 42998128 is about 6557.2957840866. The cubic root of 42998128 is about 350.3347219640.

The spelling of 42998128 in words is "forty-two million, nine hundred ninety-eight thousand, one hundred twenty-eight".