42998167 has 4 divisors (see below), whose sum is σ = 43126096. Its totient is φ = 42870240.

The previous prime is 42998161. The next prime is 42998173. The reversal of 42998167 is 76189924.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42998161) and next prime (42998173).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42998167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42998161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63459 + ... + 64132.

It is an arithmetic number, because the mean of its divisors is an integer number (10781524).

Almost surely, 2^42998167 is an apocalyptic number.

42998167 is a deficient number, since it is larger than the sum of its proper divisors (127929).

42998167 is a wasteful number, since it uses less digits than its factorization.

42998167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127928.

The product of its digits is 217728, while the sum is 46.

The square root of 42998167 is about 6557.2987578728. The cubic root of 42998167 is about 350.3348278837.

It can be divided in two parts, 429 and 98167, that added together give a square (98596 = 314²).

The spelling of 42998167 in words is "forty-two million, nine hundred ninety-eight thousand, one hundred sixty-seven".