42884065 has 24 divisors (see below), whose sum is σ = 60431400. Its totient is φ = 29127168.

The previous prime is 42884057. The next prime is 42884099. The reversal of 42884065 is 56048824.

It can be written as a sum of positive squares in 4 ways, for example, as 321489 + 42562576 = 567^2 + 6524^2 .

It is not a de Polignac number, because 42884065 - 2³ = 42884057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26911 + ... + 28459.

It is an arithmetic number, because the mean of its divisors is an integer number (2517975).

Almost surely, 2^42884065 is an apocalyptic number.

It is an amenable number.

42884065 is a deficient number, since it is larger than the sum of its proper divisors (17547335).

42884065 is a wasteful number, since it uses less digits than its factorization.

42884065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 42884065 is about 6548.5925968868. The cubic root of 42884065 is about 350.0246649285.

The spelling of 42884065 in words is "forty-two million, eight hundred eighty-four thousand, sixty-five".