42896287 has 16 divisors (see below), whose sum is σ = 52081920. Its totient is φ = 34489728.

The previous prime is 42896279. The next prime is 42896297. The reversal of 42896287 is 78269824.

It is not a de Polignac number, because 42896287 - 2³ = 42896279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42896297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64764 + ... + 65422.

It is an arithmetic number, because the mean of its divisors is an integer number (3255120).

Almost surely, 2^42896287 is an apocalyptic number.

42896287 is a deficient number, since it is larger than the sum of its proper divisors (9185633).

42896287 is a wasteful number, since it uses less digits than its factorization.

42896287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its digits is 387072, while the sum is 46.

The square root of 42896287 is about 6549.5257080189. The cubic root of 42896287 is about 350.0579142260.

The spelling of 42896287 in words is "forty-two million, eight hundred ninety-six thousand, two hundred eighty-seven".