3898345 has 8 divisors (see below), whose sum is σ = 5103360. Its totient is φ = 2835120.

The previous prime is 3898319. The next prime is 3898351. The reversal of 3898345 is 5438983.

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

It is not a de Polignac number, because 3898345 - 2¹⁵ = 3865577 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3898298 and 3898307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35385 + ... + 35494.

It is an arithmetic number, because the mean of its divisors is an integer number (637920).

Almost surely, 2^3898345 is an apocalyptic number.

It is an amenable number.

3898345 is a deficient number, since it is larger than the sum of its proper divisors (1205015).

3898345 is a wasteful number, since it uses less digits than its factorization.

3898345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70895.

The product of its digits is 103680, while the sum is 40.

The square root of 3898345 is about 1974.4227004368. The cubic root of 3898345 is about 157.3838229503.

The spelling of 3898345 in words is "three million, eight hundred ninety-eight thousand, three hundred forty-five".