33913930 has 8 divisors (see below), whose sum is σ = 61045092. Its totient is φ = 13565568.

The previous prime is 33913921. The next prime is 33913949. The reversal of 33913930 is 3931933.

It can be written as a sum of positive squares in 2 ways, for example, as 33674809 + 239121 = 5803^2 + 489^2 .

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 = 33913892 and 33913901.

It is an unprimeable number.

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, 1695687 + ... + 1695706.

Almost surely, 2^33913930 is an apocalyptic number.

33913930 is a deficient number, since it is larger than the sum of its proper divisors (27131162).

33913930 is a wasteful number, since it uses less digits than its factorization.

33913930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391400.

The product of its (nonzero) digits is 6561, while the sum is 31.

The square root of 33913930 is about 5823.5667764696. The cubic root of 33913930 is about 323.6875830637.

It can be divided in two parts, 33913 and 930, that added together give a palindrome (34843).

The spelling of 33913930 in words is "thirty-three million, nine hundred thirteen thousand, nine hundred thirty".