33800401 has 4 divisors (see below), whose sum is σ = 33837412. Its totient is φ = 33763392.

The previous prime is 33800381. The next prime is 33800419. The reversal of 33800401 is 10400833.

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 15992001 + 17808400 = 3999^2 + 4220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33800401 is a prime.

It is a super-2 number, since 2×33800401² = 2284934215521602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33800101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17100 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (8459353).

Almost surely, 2^33800401 is an apocalyptic number.

It is an amenable number.

33800401 is a deficient number, since it is larger than the sum of its proper divisors (37011).

33800401 is an equidigital number, since it uses as much as digits as its factorization.

33800401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 33800401 is about 5813.8112284456. The cubic root of 33800401 is about 323.3259911418.

The spelling of 33800401 in words is "thirty-three million, eight hundred thousand, four hundred one".