33401938 has 4 divisors (see below), whose sum is σ = 50102910. Its totient is φ = 16700968.

The previous prime is 33401903. The next prime is 33401947. The reversal of 33401938 is 83910433.

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., 27531009 + 5870929 = 5247^2 + 2423^2 .

It is a super-2 number, since 2×33401938² = 2231378924311688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8350483 + ... + 8350486.

Almost surely, 2^33401938 is an apocalyptic number.

33401938 is a deficient number, since it is larger than the sum of its proper divisors (16700972).

33401938 is a wasteful number, since it uses less digits than its factorization.

33401938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16700971.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 33401938 is about 5779.4409764267. The cubic root of 33401938 is about 322.0504338271.

The spelling of 33401938 in words is "thirty-three million, four hundred one thousand, nine hundred thirty-eight".