42328959 has 8 divisors (see below), whose sum is σ = 56552832. Its totient is φ = 28162200.

The previous prime is 42328939. The next prime is 42328967. The reversal of 42328959 is 95982324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42328959 - 2¹³ = 42320767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42328959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42328939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12517 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (7069104).

Almost surely, 2^42328959 is an apocalyptic number.

42328959 is a deficient number, since it is larger than the sum of its proper divisors (14223873).

42328959 is a wasteful number, since it uses less digits than its factorization.

42328959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28557.

The product of its digits is 155520, while the sum is 42.

The square root of 42328959 is about 6506.0709341353. The cubic root of 42328959 is about 348.5078214855.

The spelling of 42328959 in words is "forty-two million, three hundred twenty-eight thousand, nine hundred fifty-nine".