33340947 has 8 divisors (see below), whose sum is σ = 44518656. Its totient is φ = 22195272.

The previous prime is 33340891. The next prime is 33340963. The reversal of 33340947 is 74904333.

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

It is not a de Polignac number, because 33340947 - 2⁶ = 33340883 is a prime.

It is a super-2 number, since 2×33340947² = 2223237493713618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33344947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5463 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (5564832).

Almost surely, 2^33340947 is an apocalyptic number.

33340947 is a deficient number, since it is larger than the sum of its proper divisors (11177709).

33340947 is a wasteful number, since it uses less digits than its factorization.

33340947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16017.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 33340947 is about 5774.1620171242. The cubic root of 33340947 is about 321.8542960510.

The spelling of 33340947 in words is "thirty-three million, three hundred forty thousand, nine hundred forty-seven".