3898786 has 8 divisors (see below), whose sum is σ = 5958684. Its totient is φ = 1912560.

The previous prime is 3898771. The next prime is 3898841. The reversal of 3898786 is 6878983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3682561 + 216225 = 1919^2 + 465^2 .

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

It is an Ulam 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, 18285 + ... + 18496.

Almost surely, 2^3898786 is an apocalyptic number.

3898786 is a deficient number, since it is larger than the sum of its proper divisors (2059898).

3898786 is a wasteful number, since it uses less digits than its factorization.

3898786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36836.

The product of its digits is 580608, while the sum is 49.

The square root of 3898786 is about 1974.5343754921. The cubic root of 3898786 is about 157.3897574045.

The spelling of 3898786 in words is "three million, eight hundred ninety-eight thousand, seven hundred eighty-six".