3898834 has 4 divisors (see below), whose sum is σ = 5848254. Its totient is φ = 1949416.

The previous prime is 3898771. The next prime is 3898841. The reversal of 3898834 is 4388983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4388983 = 53 ⋅82811.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 648025 = 1803^2 + 805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974707 + ... + 974710.

Almost surely, 2^3898834 is an apocalyptic number.

3898834 is a deficient number, since it is larger than the sum of its proper divisors (1949420).

3898834 is a wasteful number, since it uses less digits than its factorization.

3898834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949419.

The product of its digits is 165888, while the sum is 43.

The square root of 3898834 is about 1974.5465302190. The cubic root of 3898834 is about 157.3904033045.

The spelling of 3898834 in words is "three million, eight hundred ninety-eight thousand, eight hundred thirty-four".