33945469 has 4 divisors (see below), whose sum is σ = 34106560. Its totient is φ = 33784380.

The previous prime is 33945467. The next prime is 33945497. The reversal of 33945469 is 96454933.

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 33945469 - 2¹ = 33945467 is a prime.

It is a super-2 number, since 2×33945469² = 2304589731259922, 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 (33945467) 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, 80229 + ... + 80650.

It is an arithmetic number, because the mean of its divisors is an integer number (8526640).

Almost surely, 2^33945469 is an apocalyptic number.

It is an amenable number.

33945469 is a deficient number, since it is larger than the sum of its proper divisors (161091).

33945469 is a wasteful number, since it uses less digits than its factorization.

33945469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161090.

The product of its digits is 349920, while the sum is 43.

The square root of 33945469 is about 5826.2740237651. The cubic root of 33945469 is about 323.7878920880.

The spelling of 33945469 in words is "thirty-three million, nine hundred forty-five thousand, four hundred sixty-nine".