42984826 has 4 divisors (see below), whose sum is σ = 64477242. Its totient is φ = 21492412.

The previous prime is 42984803. The next prime is 42984827. The reversal of 42984826 is 62848924.

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., 40259025 + 2725801 = 6345^2 + 1651^2 .

It is not an unprimeable number, because it can be changed into a prime (42984827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10746205 + ... + 10746208.

Almost surely, 2^42984826 is an apocalyptic number.

42984826 is a deficient number, since it is larger than the sum of its proper divisors (21492416).

42984826 is a wasteful number, since it uses less digits than its factorization.

42984826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21492415.

The product of its digits is 221184, while the sum is 43.

The square root of 42984826 is about 6556.2814155587. The cubic root of 42984826 is about 350.2985914522.

The spelling of 42984826 in words is "forty-two million, nine hundred eighty-four thousand, eight hundred twenty-six".