42896645 has 8 divisors (see below), whose sum is σ = 56155680. Its totient is φ = 31197520.

The previous prime is 42896629. The next prime is 42896669. The reversal of 42896645 is 54669824.

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

It is not a de Polignac number, because 42896645 - 2⁴ = 42896629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42896596 and 42896605.

It is a congruent number.

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, 389915 + ... + 390024.

It is an arithmetic number, because the mean of its divisors is an integer number (7019460).

Almost surely, 2^42896645 is an apocalyptic number.

It is an amenable number.

42896645 is a deficient number, since it is larger than the sum of its proper divisors (13259035).

42896645 is a wasteful number, since it uses less digits than its factorization.

42896645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779955.

The product of its digits is 414720, while the sum is 44.

The square root of 42896645 is about 6549.5530381851. The cubic root of 42896645 is about 350.0588880506.

It can be divided in two parts, 428 and 96645, that multiplied together give a triangular number (41364060 = T₉₀₉₅).

The spelling of 42896645 in words is "forty-two million, eight hundred ninety-six thousand, six hundred forty-five".