42969898 has 8 divisors (see below), whose sum is σ = 64548900. Its totient is φ = 21453600.

The previous prime is 42969893. The next prime is 42969929. The reversal of 42969898 is 89896924.

It can be written as a sum of positive squares in 2 ways, for example, as 42341049 + 628849 = 6507^2 + 793^2 .

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 (42969893) 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, 13923 + ... + 16726.

Almost surely, 2^42969898 is an apocalyptic number.

42969898 is a deficient number, since it is larger than the sum of its proper divisors (21579002).

42969898 is a wasteful number, since it uses less digits than its factorization.

42969898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31352.

The product of its digits is 2239488, while the sum is 55.

The square root of 42969898 is about 6555.1428664828. The cubic root of 42969898 is about 350.2580355683.

The spelling of 42969898 in words is "forty-two million, nine hundred sixty-nine thousand, eight hundred ninety-eight".