42828658 has 8 divisors (see below), whose sum is σ = 64652652. Its totient is φ = 21277776.

The previous prime is 42828629. The next prime is 42828659. The reversal of 42828658 is 85682824.

It can be written as a sum of positive squares in 2 ways, for example, as 38278969 + 4549689 = 6187^2 + 2133^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42828659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67885 + ... + 68512.

Almost surely, 2^42828658 is an apocalyptic number.

42828658 is a deficient number, since it is larger than the sum of its proper divisors (21823994).

42828658 is a wasteful number, since it uses less digits than its factorization.

42828658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136556.

The product of its digits is 245760, while the sum is 43.

The square root of 42828658 is about 6544.3607785635. The cubic root of 42828658 is about 349.8738538599.

The spelling of 42828658 in words is "forty-two million, eight hundred twenty-eight thousand, six hundred fifty-eight".