42284339 has 4 divisors (see below), whose sum is σ = 42553824. Its totient is φ = 42014856.

The previous prime is 42284309. The next prime is 42284353. The reversal of 42284339 is 93348224.

42284339 = 32² + 33² + ... + 502².

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42284339 - 2¹² = 42280243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42284299 and 42284308.

It is not an unprimeable number, because it can be changed into a prime (42284309) 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, 134507 + ... + 134820.

It is an arithmetic number, because the mean of its divisors is an integer number (10638456).

Almost surely, 2^42284339 is an apocalyptic number.

42284339 is a deficient number, since it is larger than the sum of its proper divisors (269485).

42284339 is a wasteful number, since it uses less digits than its factorization.

42284339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269484.

The product of its digits is 41472, while the sum is 35.

The square root of 42284339 is about 6502.6409250396. The cubic root of 42284339 is about 348.3853215344.

The spelling of 42284339 in words is "forty-two million, two hundred eighty-four thousand, three hundred thirty-nine".