33952981 has 8 divisors (see below), whose sum is σ = 36244800. Its totient is φ = 31711680.

The previous prime is 33952979. The next prime is 33952999. The reversal of 33952981 is 18925933.

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

It is a cyclic number.

It is not a de Polignac number, because 33952981 - 2¹ = 33952979 is a prime.

It is a super-2 number, since 2×33952981² = 2305609837572722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33952901) 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, 11236 + ... + 13933.

It is an arithmetic number, because the mean of its divisors is an integer number (4530600).

Almost surely, 2^33952981 is an apocalyptic number.

It is an amenable number.

33952981 is a deficient number, since it is larger than the sum of its proper divisors (2291819).

33952981 is a wasteful number, since it uses less digits than its factorization.

33952981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25259.

The product of its digits is 58320, while the sum is 40.

The square root of 33952981 is about 5826.9186539714. The cubic root of 33952981 is about 323.8117746593.

The spelling of 33952981 in words is "thirty-three million, nine hundred fifty-two thousand, nine hundred eighty-one".