33399412 has 12 divisors (see below), whose sum is σ = 58556736. Its totient is φ = 16668920.

The previous prime is 33399389. The next prime is 33399439. The reversal of 33399412 is 21499333.

It is a super-2 number, since 2×33399412² = 2231041443891488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164 + ... + 9667.

It is an arithmetic number, because the mean of its divisors is an integer number (4879728).

Almost surely, 2^33399412 is an apocalyptic number.

It is an amenable number.

33399412 is a deficient number, since it is larger than the sum of its proper divisors (25157324).

33399412 is a wasteful number, since it uses less digits than its factorization.

33399412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15398 (or 15396 counting only the distinct ones).

The product of its digits is 17496, while the sum is 34.

The square root of 33399412 is about 5779.2224390484. Note that the first 3 decimals coincide. The cubic root of 33399412 is about 322.0423153370.

The spelling of 33399412 in words is "thirty-three million, three hundred ninety-nine thousand, four hundred twelve".