33906212 has 6 divisors (see below), whose sum is σ = 59335878. Its totient is φ = 16953104.

The previous prime is 33906199. The next prime is 33906227. The reversal of 33906212 is 21260933.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 15792676 = 4256^2 + 3974^2 .

It is a super-2 number, since 2×33906212² = 2299262424377888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4238273 + ... + 4238280.

It is an arithmetic number, because the mean of its divisors is an integer number (9889313).

Almost surely, 2^33906212 is an apocalyptic number.

It is an amenable number.

33906212 is a deficient number, since it is larger than the sum of its proper divisors (25429666).

33906212 is a wasteful number, since it uses less digits than its factorization.

33906212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476557 (or 8476555 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33906212 is about 5822.9040864503. The cubic root of 33906212 is about 323.6630266813.

The spelling of 33906212 in words is "thirty-three million, nine hundred six thousand, two hundred twelve".