3138298 has 4 divisors (see below), whose sum is σ = 4707450. Its totient is φ = 1569148.

The previous prime is 3138283. The next prime is 3138299. The reversal of 3138298 is 8928313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2832489 + 305809 = 1683^2 + 553^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3138299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784573 + ... + 784576.

Almost surely, 2^3138298 is an apocalyptic number.

3138298 is a deficient number, since it is larger than the sum of its proper divisors (1569152).

3138298 is a wasteful number, since it uses less digits than its factorization.

3138298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569151.

The product of its digits is 10368, while the sum is 34.

The square root of 3138298 is about 1771.5242024878. The cubic root of 3138298 is about 146.4079725818.

The spelling of 3138298 in words is "three million, one hundred thirty-eight thousand, two hundred ninety-eight".