33419138 has 16 divisors (see below), whose sum is σ = 55062720. Its totient is φ = 15141456.

The previous prime is 33419137. The next prime is 33419143. The reversal of 33419138 is 83191433.

It is a happy number.

It is a super-2 number, since 2×33419138² = 2233677569326088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33419137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18245 + ... + 19992.

It is an arithmetic number, because the mean of its divisors is an integer number (3441420).

Almost surely, 2^33419138 is an apocalyptic number.

33419138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33419138 is a deficient number, since it is larger than the sum of its proper divisors (21643582).

33419138 is a wasteful number, since it uses less digits than its factorization.

33419138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38281.

The product of its digits is 7776, while the sum is 32.

The square root of 33419138 is about 5780.9288181053. The cubic root of 33419138 is about 322.1057032443.

The spelling of 33419138 in words is "thirty-three million, four hundred nineteen thousand, one hundred thirty-eight".