3641398 has 4 divisors (see below), whose sum is σ = 5462100. Its totient is φ = 1820698.

The previous prime is 3641389. The next prime is 3641399. The reversal of 3641398 is 8931463.

3641398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8931463 = 19 ⋅470077.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641399) 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 as a sum of consecutive naturals, namely, 910348 + ... + 910351.

It is an arithmetic number, because the mean of its divisors is an integer number (1365525).

Almost surely, 2^3641398 is an apocalyptic number.

3641398 is a deficient number, since it is larger than the sum of its proper divisors (1820702).

3641398 is a wasteful number, since it uses less digits than its factorization.

3641398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820701.

The product of its digits is 15552, while the sum is 34.

The square root of 3641398 is about 1908.2447432130. The cubic root of 3641398 is about 153.8471243913.

The spelling of 3641398 in words is "three million, six hundred forty-one thousand, three hundred ninety-eight".