42324289 has 12 divisors (see below), whose sum is σ = 49350144. Its totient is φ = 36192744.

The previous prime is 42324287. The next prime is 42324319. The reversal of 42324289 is 98242324.

It is not a de Polignac number, because 42324289 - 2¹ = 42324287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42324281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29032 + ... + 30454.

It is an arithmetic number, because the mean of its divisors is an integer number (4112512).

Almost surely, 2^42324289 is an apocalyptic number.

42324289 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42324289 is a deficient number, since it is larger than the sum of its proper divisors (7025855).

42324289 is a wasteful number, since it uses less digits than its factorization.

42324289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2037 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 42324289 is about 6505.7120286714. The cubic root of 42324289 is about 348.4950044809.

The spelling of 42324289 in words is "forty-two million, three hundred twenty-four thousand, two hundred eighty-nine".