42984097 has 4 divisors (see below), whose sum is σ = 46290580. Its totient is φ = 39677616.

The previous prime is 42984089. The next prime is 42984103. The reversal of 42984097 is 79048924.

42984097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15358561 + 27625536 = 3919^2 + 5256^2 .

It is a cyclic number.

It is not a de Polignac number, because 42984097 - 2³ = 42984089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42984017) 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 3 ways as a sum of consecutive naturals, for example, 1653222 + ... + 1653247.

It is an arithmetic number, because the mean of its divisors is an integer number (11572645).

Almost surely, 2^42984097 is an apocalyptic number.

It is an amenable number.

42984097 is a deficient number, since it is larger than the sum of its proper divisors (3306483).

42984097 is a wasteful number, since it uses less digits than its factorization.

42984097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306482.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 42984097 is about 6556.2258197838. The cubic root of 42984097 is about 350.2966111478.

The spelling of 42984097 in words is "forty-two million, nine hundred eighty-four thousand, ninety-seven".