3898646 has 8 divisors (see below), whose sum is σ = 5894400. Its totient is φ = 1933848.

The previous prime is 3898639. The next prime is 3898651. The reversal of 3898646 is 6468983.

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 = 3898597 and 3898606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7421 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (736800).

Almost surely, 2^3898646 is an apocalyptic number.

3898646 is a deficient number, since it is larger than the sum of its proper divisors (1995754).

3898646 is a wasteful number, since it uses less digits than its factorization.

3898646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15478.

The product of its digits is 248832, while the sum is 44.

The square root of 3898646 is about 1974.4989237779. The cubic root of 3898646 is about 157.3878734993.

The spelling of 3898646 in words is "three million, eight hundred ninety-eight thousand, six hundred forty-six".