33949969 has 4 divisors (see below), whose sum is σ = 35947044. Its totient is φ = 31952896.

The previous prime is 33949967. The next prime is 33949973. The reversal of 33949969 is 96994933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18386944 + 15563025 = 4288^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 33949969 - 2¹ = 33949967 is a prime.

It is a super-2 number, since 2×33949969² = 2305200790201922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33949961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998512 + ... + 998545.

It is an arithmetic number, because the mean of its divisors is an integer number (8986761).

Almost surely, 2^33949969 is an apocalyptic number.

It is an amenable number.

33949969 is a deficient number, since it is larger than the sum of its proper divisors (1997075).

33949969 is a wasteful number, since it uses less digits than its factorization.

33949969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997074.

The product of its digits is 1417176, while the sum is 52.

The square root of 33949969 is about 5826.6601925975. The cubic root of 33949969 is about 323.8021991632.

The spelling of 33949969 in words is "thirty-three million, nine hundred forty-nine thousand, nine hundred sixty-nine".