3857398 has 8 divisors (see below), whose sum is σ = 5942592. Its totient is φ = 1876536.

The previous prime is 3857383. The next prime is 3857417. The reversal of 3857398 is 8937583.

It is a happy number.

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

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, 25990 + ... + 26137.

It is an arithmetic number, because the mean of its divisors is an integer number (742824).

Almost surely, 2^3857398 is an apocalyptic number.

3857398 is a deficient number, since it is larger than the sum of its proper divisors (2085194).

3857398 is a wasteful number, since it uses less digits than its factorization.

3857398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52166.

The product of its digits is 181440, while the sum is 43.

The square root of 3857398 is about 1964.0259672418. The cubic root of 3857398 is about 156.8308454433.

The spelling of 3857398 in words is "three million, eight hundred fifty-seven thousand, three hundred ninety-eight".