33894957 has 16 divisors (see below), whose sum is σ = 48028032. Its totient is φ = 21189120.

The previous prime is 33894947. The next prime is 33894983. The reversal of 33894957 is 75949833.

It is not a de Polignac number, because 33894957 - 2⁴ = 33894941 is a prime.

It is a super-2 number, since 2×33894957² = 2297736220063698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33894937) 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, 14793 + ... + 16929.

It is an arithmetic number, because the mean of its divisors is an integer number (3001752).

Almost surely, 2^33894957 is an apocalyptic number.

It is an amenable number.

33894957 is a deficient number, since it is larger than the sum of its proper divisors (14133075).

33894957 is a wasteful number, since it uses less digits than its factorization.

33894957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its digits is 816480, while the sum is 48.

The square root of 33894957 is about 5821.9375640761. The cubic root of 33894957 is about 323.6272099356.

The spelling of 33894957 in words is "thirty-three million, eight hundred ninety-four thousand, nine hundred fifty-seven".