33987242 has 8 divisors (see below), whose sum is σ = 51022116. Its totient is φ = 16979872.

The previous prime is 33987241. The next prime is 33987259. The reversal of 33987242 is 24278933.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33512521 + 474721 = 5789^2 + 689^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 33987196 and 33987205.

It is not an unprimeable number, because it can be changed into a prime (33987241) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3443 + ... + 8934.

Almost surely, 2^33987242 is an apocalyptic number.

33987242 is a deficient number, since it is larger than the sum of its proper divisors (17034874).

33987242 is a wasteful number, since it uses less digits than its factorization.

33987242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13752.

The product of its digits is 72576, while the sum is 38.

The square root of 33987242 is about 5829.8578027256. The cubic root of 33987242 is about 323.9206545022.

The spelling of 33987242 in words is "thirty-three million, nine hundred eighty-seven thousand, two hundred forty-two".