33985401 has 4 divisors (see below), whose sum is σ = 45313872. Its totient is φ = 22656932.

The previous prime is 33985339. The next prime is 33985403. The reversal of 33985401 is 10458933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33985401 - 2⁹ = 33984889 is a prime.

It is a super-2 number, since 2×33985401² = 2310014962261602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33985403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5664231 + ... + 5664236.

It is an arithmetic number, because the mean of its divisors is an integer number (11328468).

Almost surely, 2^33985401 is an apocalyptic number.

It is an amenable number.

33985401 is a deficient number, since it is larger than the sum of its proper divisors (11328471).

33985401 is a wasteful number, since it uses less digits than its factorization.

33985401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328470.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 33985401 is about 5829.6999065132. The cubic root of 33985401 is about 323.9148057517.

The spelling of 33985401 in words is "thirty-three million, nine hundred eighty-five thousand, four hundred one".