3698438 has 8 divisors (see below), whose sum is σ = 5556600. Its totient is φ = 1846240.

The previous prime is 3698419. The next prime is 3698441. The reversal of 3698438 is 8348963.

3698438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 3698395 and 3698404.

It is a congruent number.

It is an unprimeable number.

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, 713 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (694575).

Almost surely, 2^3698438 is an apocalyptic number.

3698438 is a deficient number, since it is larger than the sum of its proper divisors (1858162).

3698438 is a wasteful number, since it uses less digits than its factorization.

3698438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its digits is 124416, while the sum is 41.

The square root of 3698438 is about 1923.1323407400. The cubic root of 3698438 is about 154.6462693160.

The spelling of 3698438 in words is "three million, six hundred ninety-eight thousand, four hundred thirty-eight".