3023139 has 16 divisors (see below), whose sum is σ = 4631040. Its totient is φ = 1718400.

The previous prime is 3023129. The next prime is 3023177. The reversal of 3023139 is 9313203.

It is not a de Polignac number, because 3023139 - 2⁴ = 3023123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

3023139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3023129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7339 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (289440).

Almost surely, 2^3023139 is an apocalyptic number.

3023139 is a deficient number, since it is larger than the sum of its proper divisors (1607901).

3023139 is a wasteful number, since it uses less digits than its factorization.

3023139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3023139 is about 1738.7176308993. The cubic root of 3023139 is about 144.5948101265.

Subtracting 3023139 from its reverse (9313203), we obtain a square (6290064 = 2508²).

The spelling of 3023139 in words is "three million, twenty-three thousand, one hundred thirty-nine".