3898726 has 16 divisors (see below), whose sum is σ = 6358464. Its totient is φ = 1782144.

The previous prime is 3898717. The next prime is 3898747. The reversal of 3898726 is 6278983.

3898726 is nontrivially palindromic in base 9.

It is a congruent number.

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, 2275 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (397404).

Almost surely, 2^3898726 is an apocalyptic number.

3898726 is a deficient number, since it is larger than the sum of its proper divisors (2459738).

3898726 is a wasteful number, since it uses less digits than its factorization.

3898726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its digits is 145152, while the sum is 43.

The square root of 3898726 is about 1974.5191819782. The cubic root of 3898726 is about 157.3889500220.

It can be divided in two parts, 3898 and 726, that added together give a square (4624 = 68²).

The spelling of 3898726 in words is "three million, eight hundred ninety-eight thousand, seven hundred twenty-six".