42986099 has 4 divisors (see below), whose sum is σ = 46292736. Its totient is φ = 39679464.

The previous prime is 42986089. The next prime is 42986107. The reversal of 42986099 is 99068924.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42986099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42986039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653299 + ... + 1653324.

It is an arithmetic number, because the mean of its divisors is an integer number (11573184).

Almost surely, 2^42986099 is an apocalyptic number.

42986099 is a deficient number, since it is larger than the sum of its proper divisors (3306637).

42986099 is a wasteful number, since it uses less digits than its factorization.

42986099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306636.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 42986099 is about 6556.3784973108. The cubic root of 42986099 is about 350.3020494609.

The spelling of 42986099 in words is "forty-two million, nine hundred eighty-six thousand, ninety-nine".