42898706 has 4 divisors (see below), whose sum is σ = 64348062. Its totient is φ = 21449352.

The previous prime is 42898679. The next prime is 42898711. The reversal of 42898706 is 60789824.

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

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 765625 = 6491^2 + 875^2 .

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 as a sum of consecutive naturals, namely, 10724675 + ... + 10724678.

Almost surely, 2^42898706 is an apocalyptic number.

42898706 is a deficient number, since it is larger than the sum of its proper divisors (21449356).

42898706 is a wasteful number, since it uses less digits than its factorization.

42898706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21449355.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 42898706 is about 6549.7103752761. The cubic root of 42898706 is about 350.0644942374.

The spelling of 42898706 in words is "forty-two million, eight hundred ninety-eight thousand, seven hundred six".