33906057 has 16 divisors (see below), whose sum is σ = 47080320. Its totient is φ = 21686400.

The previous prime is 33906043. The next prime is 33906083. The reversal of 33906057 is 75060933.

It is not a de Polignac number, because 33906057 - 2¹⁰ = 33905033 is a prime.

It is a super-2 number, since 2×33906057² = 2299241402574498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33906557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244 + ... + 9762.

It is an arithmetic number, because the mean of its divisors is an integer number (2942520).

Almost surely, 2^33906057 is an apocalyptic number.

It is an amenable number.

33906057 is a deficient number, since it is larger than the sum of its proper divisors (13174263).

33906057 is a wasteful number, since it uses less digits than its factorization.

33906057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 33906057 is about 5822.8907769252. The cubic root of 33906057 is about 323.6625334791.

The spelling of 33906057 in words is "thirty-three million, nine hundred six thousand, fifty-seven".