3898738 has 8 divisors (see below), whose sum is σ = 5856732. Its totient is φ = 1946496.

The previous prime is 3898717. The next prime is 3898747. The reversal of 3898738 is 8378983.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 45369 = 1963^2 + 213^2 .

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

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, 1306 + ... + 3082.

Almost surely, 2^3898738 is an apocalyptic number.

3898738 is a deficient number, since it is larger than the sum of its proper divisors (1957994).

3898738 is a wasteful number, since it uses less digits than its factorization.

3898738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its digits is 290304, while the sum is 46.

The square root of 3898738 is about 1974.5222206904. The cubic root of 3898738 is about 157.3891114992.

The spelling of 3898738 in words is "three million, eight hundred ninety-eight thousand, seven hundred thirty-eight".