33481394 has 4 divisors (see below), whose sum is σ = 50222094. Its totient is φ = 16740696.

The previous prime is 33481369. The next prime is 33481397. The reversal of 33481394 is 49318433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31192225 + 2289169 = 5585^2 + 1513^2 .

It is a super-2 number, since 2×33481394² = 2242007488366472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33481397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8370347 + ... + 8370350.

Almost surely, 2^33481394 is an apocalyptic number.

33481394 is a deficient number, since it is larger than the sum of its proper divisors (16740700).

33481394 is a wasteful number, since it uses less digits than its factorization.

33481394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16740699.

The product of its digits is 31104, while the sum is 35.

The square root of 33481394 is about 5786.3109145638. The cubic root of 33481394 is about 322.3055944302.

The spelling of 33481394 in words is "thirty-three million, four hundred eighty-one thousand, three hundred ninety-four".