33889449 has 32 divisors (see below), whose sum is σ = 52631424. Its totient is φ = 19169280.

The previous prime is 33889441. The next prime is 33889459. The reversal of 33889449 is 94498833.

It is not a de Polignac number, because 33889449 - 2³ = 33889441 is a prime.

It is a super-2 number, since 2×33889449² = 2296989507047202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33889398 and 33889407.

It is not an unprimeable number, because it can be changed into a prime (33889441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108117 + ... + 108429.

It is an arithmetic number, because the mean of its divisors is an integer number (1644732).

Almost surely, 2^33889449 is an apocalyptic number.

It is an amenable number.

33889449 is a deficient number, since it is larger than the sum of its proper divisors (18741975).

33889449 is a wasteful number, since it uses less digits than its factorization.

33889449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its digits is 746496, while the sum is 48.

The square root of 33889449 is about 5821.4645064623. The cubic root of 33889449 is about 323.6096789576.

The spelling of 33889449 in words is "thirty-three million, eight hundred eighty-nine thousand, four hundred forty-nine".