33853994 has 4 divisors (see below), whose sum is σ = 50780994. Its totient is φ = 16926996.

The previous prime is 33853979. The next prime is 33853997. The reversal of 33853994 is 49935833.

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., 30946969 + 2907025 = 5563^2 + 1705^2 .

It is a super-2 number, since 2×33853994² = 2292185819504072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33853997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8463497 + ... + 8463500.

Almost surely, 2^33853994 is an apocalyptic number.

33853994 is a deficient number, since it is larger than the sum of its proper divisors (16927000).

33853994 is a wasteful number, since it uses less digits than its factorization.

33853994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16926999.

The product of its digits is 349920, while the sum is 44.

The square root of 33853994 is about 5818.4185136513. The cubic root of 33853994 is about 323.4967865478.

The spelling of 33853994 in words is "thirty-three million, eight hundred fifty-three thousand, nine hundred ninety-four".