33336401 has 8 divisors (see below), whose sum is σ = 38223744. Its totient is φ = 28480320.

The previous prime is 33336389. The next prime is 33336409. The reversal of 33336401 is 10463333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33336401 - 2¹⁸ = 33074257 is a prime.

It is a super-2 number, since 2×33336401² = 2222631263265602, 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 (33336409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480 + ... + 9833.

It is an arithmetic number, because the mean of its divisors is an integer number (4777968).

Almost surely, 2^33336401 is an apocalyptic number.

It is an amenable number.

33336401 is a deficient number, since it is larger than the sum of its proper divisors (4887343).

33336401 is a wasteful number, since it uses less digits than its factorization.

33336401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15631.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 33336401 is about 5773.7683535106. The cubic root of 33336401 is about 321.8396672310.

Adding to 33336401 its reverse (10463333), we get a palindrome (43799734).

The spelling of 33336401 in words is "thirty-three million, three hundred thirty-six thousand, four hundred one".