3138026 has 4 divisors (see below), whose sum is σ = 4707042. Its totient is φ = 1569012.

The previous prime is 3137999. The next prime is 3138029. The reversal of 3138026 is 6208313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6208313 = 109 ⋅56957.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 22801 = 1765^2 + 151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3137992 and 3138010.

It is not an unprimeable number, because it can be changed into a prime (3138029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784505 + ... + 784508.

Almost surely, 2^3138026 is an apocalyptic number.

3138026 is a deficient number, since it is larger than the sum of its proper divisors (1569016).

3138026 is a wasteful number, since it uses less digits than its factorization.

3138026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569015.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3138026 is about 1771.4474307752. The cubic root of 3138026 is about 146.4037426756.

The spelling of 3138026 in words is "three million, one hundred thirty-eight thousand, twenty-six".