42896905 has 8 divisors (see below), whose sum is σ = 51525000. Its totient is φ = 34285056.

The previous prime is 42896891. The next prime is 42896923. The reversal of 42896905 is 50969824.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 42758521 = 372^2 + 6539^2 .

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 42896905 - 2¹⁵ = 42864137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (6440625).

Almost surely, 2^42896905 is an apocalyptic number.

It is an amenable number.

42896905 is a deficient number, since it is larger than the sum of its proper divisors (8628095).

42896905 is a wasteful number, since it uses less digits than its factorization.

42896905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 42896905 is about 6549.5728868377. The cubic root of 42896905 is about 350.0595952942.

The spelling of 42896905 in words is "forty-two million, eight hundred ninety-six thousand, nine hundred five".