42111398 has 8 divisors (see below), whose sum is σ = 72190992. Its totient is φ = 18047736.

The previous prime is 42111379. The next prime is 42111401. The reversal of 42111398 is 89311124.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42111398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503965 + ... + 1503992.

It is an arithmetic number, because the mean of its divisors is an integer number (9023874).

Almost surely, 2^42111398 is an apocalyptic number.

42111398 is a deficient number, since it is larger than the sum of its proper divisors (30079594).

42111398 is a wasteful number, since it uses less digits than its factorization.

42111398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007966.

The product of its digits is 1728, while the sum is 29.

The square root of 42111398 is about 6489.3295493448. The cubic root of 42111398 is about 347.9097125617.

The spelling of 42111398 in words is "forty-two million, one hundred eleven thousand, three hundred ninety-eight".