3898787 has 4 divisors (see below), whose sum is σ = 3904320. Its totient is φ = 3893256.

The previous prime is 3898771. The next prime is 3898841. The reversal of 3898787 is 7878983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7878983 = 7 ⋅1125569.

It is a cyclic number.

It is not a de Polignac number, because 3898787 - 2⁴ = 3898771 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3898717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 3180.

It is an arithmetic number, because the mean of its divisors is an integer number (976080).

Almost surely, 2^3898787 is an apocalyptic number.

3898787 is a deficient number, since it is larger than the sum of its proper divisors (5533).

3898787 is an equidigital number, since it uses as much as digits as its factorization.

3898787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532.

The product of its digits is 677376, while the sum is 50.

The square root of 3898787 is about 1974.5346287163. The cubic root of 3898787 is about 157.3897708608.

It can be divided in two parts, 389 and 8787, that multiplied together give a palindrome (3418143).

The spelling of 3898787 in words is "three million, eight hundred ninety-eight thousand, seven hundred eighty-seven".