3138266 has 8 divisors (see below), whose sum is σ = 4834740. Its totient is φ = 1526688.

The previous prime is 3138221. The next prime is 3138283. The reversal of 3138266 is 6628313.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 319225 = 1679^2 + 565^2 .

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

It is a Curzon 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, 21131 + ... + 21278.

Almost surely, 2^3138266 is an apocalyptic number.

3138266 is a deficient number, since it is larger than the sum of its proper divisors (1696474).

3138266 is a wasteful number, since it uses less digits than its factorization.

3138266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42448.

The product of its digits is 5184, while the sum is 29.

The square root of 3138266 is about 1771.5151706943. The cubic root of 3138266 is about 146.4074749585.

The spelling of 3138266 in words is "three million, one hundred thirty-eight thousand, two hundred sixty-six".