42430289 has 8 divisors (see below), whose sum is σ = 47781120. Its totient is φ = 37328400.

The previous prime is 42430279. The next prime is 42430303. The reversal of 42430289 is 98203424.

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

It is a cyclic number.

It is not a de Polignac number, because 42430289 - 2⁴ = 42430273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42430279) 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, 61874 + ... + 62555.

It is an arithmetic number, because the mean of its divisors is an integer number (5972640).

Almost surely, 2^42430289 is an apocalyptic number.

It is an amenable number.

42430289 is a deficient number, since it is larger than the sum of its proper divisors (5350831).

42430289 is a wasteful number, since it uses less digits than its factorization.

42430289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124471.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 42430289 is about 6513.8536213213. The cubic root of 42430289 is about 348.7856939439.

The spelling of 42430289 in words is "forty-two million, four hundred thirty thousand, two hundred eighty-nine".