33249993 has 16 divisors (see below), whose sum is σ = 50758656. Its totient is φ = 18965520.

The previous prime is 33249991. The next prime is 33250001. The reversal of 33249993 is 39994233.

It is not a de Polignac number, because 33249993 - 2¹ = 33249991 is a prime.

It is a super-2 number, since 2×33249993² = 2211124069000098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33249991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14538 + ... + 16668.

It is an arithmetic number, because the mean of its divisors is an integer number (3172416).

Almost surely, 2^33249993 is an apocalyptic number.

It is an amenable number.

33249993 is a deficient number, since it is larger than the sum of its proper divisors (17508663).

33249993 is a wasteful number, since it uses less digits than its factorization.

33249993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884.

The product of its digits is 157464, while the sum is 42.

The square root of 33249993 is about 5766.2806903584. The cubic root of 33249993 is about 321.5613570033.

The spelling of 33249993 in words is "thirty-three million, two hundred forty-nine thousand, nine hundred ninety-three".