33801401 has 4 divisors (see below), whose sum is σ = 33831204. Its totient is φ = 33771600.

The previous prime is 33801379. The next prime is 33801403. The reversal of 33801401 is 10410833.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13542400 + 20259001 = 3680^2 + 4501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33801401 is a prime.

It is a super-2 number, since 2×33801401² = 2285069419125602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33801403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13130 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (8457801).

Almost surely, 2^33801401 is an apocalyptic number.

It is an amenable number.

33801401 is a deficient number, since it is larger than the sum of its proper divisors (29803).

33801401 is a wasteful number, since it uses less digits than its factorization.

33801401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29802.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 33801401 is about 5813.8972299139. The cubic root of 33801401 is about 323.3291796918.

The spelling of 33801401 in words is "thirty-three million, eight hundred one thousand, four hundred one".