42110397 has 24 divisors (see below), whose sum is σ = 70403840. Its totient is φ = 23755680.

The previous prime is 42110389. The next prime is 42110399. The reversal of 42110397 is 79301124.

42110397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42110397 - 2³ = 42110389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42110397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42110399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 747 + ... + 9207.

Almost surely, 2^42110397 is an apocalyptic number.

It is an amenable number.

42110397 is a deficient number, since it is larger than the sum of its proper divisors (28293443).

42110397 is a wasteful number, since it uses less digits than its factorization.

42110397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553 (or 8550 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 42110397 is about 6489.2524222748. The cubic root of 42110397 is about 347.9069559020.

The spelling of 42110397 in words is "forty-two million, one hundred ten thousand, three hundred ninety-seven".