3634401 has 8 divisors (see below), whose sum is σ = 4860544. Its totient is φ = 2415600.

The previous prime is 3634373. The next prime is 3634417. The reversal of 3634401 is 1044363.

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

It is not a de Polignac number, because 3634401 - 2¹¹ = 3632353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3634201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (607568).

Almost surely, 2^3634401 is an apocalyptic number.

3634401 is the 1101-st octagonal number.

It is an amenable number.

3634401 is a deficient number, since it is larger than the sum of its proper divisors (1226143).

3634401 is a wasteful number, since it uses less digits than its factorization.

3634401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3634401 is about 1906.4105014398. The cubic root of 3634401 is about 153.7485213686.

Adding to 3634401 its reverse (1044363), we get a palindrome (4678764).

The spelling of 3634401 in words is "three million, six hundred thirty-four thousand, four hundred one".