33894161 has 8 divisors (see below), whose sum is σ = 39314880. Its totient is φ = 28618128.

The previous prime is 33894149. The next prime is 33894197. The reversal of 33894161 is 16149833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33894161 - 2¹⁴ = 33877777 is a prime.

It is a super-2 number, since 2×33894161² = 2297628299787842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33894121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35666 + ... + 36603.

It is an arithmetic number, because the mean of its divisors is an integer number (4914360).

Almost surely, 2^33894161 is an apocalyptic number.

It is an amenable number.

33894161 is a deficient number, since it is larger than the sum of its proper divisors (5420719).

33894161 is an equidigital number, since it uses as much as digits as its factorization.

33894161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72343.

The product of its digits is 15552, while the sum is 35.

The square root of 33894161 is about 5821.8692015537. The cubic root of 33894161 is about 323.6246765275.

The spelling of 33894161 in words is "thirty-three million, eight hundred ninety-four thousand, one hundred sixty-one".