2939423 has 8 divisors (see below), whose sum is σ = 3086208. Its totient is φ = 2794264.

The previous prime is 2939401. The next prime is 2939449. The reversal of 2939423 is 3249392.

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

It is a cyclic number.

It is not a de Polignac number, because 2939423 - 2¹² = 2935327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2939423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940 + ... + 5502.

It is an arithmetic number, because the mean of its divisors is an integer number (385776).

2^2939423 is an apocalyptic number.

2939423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2939423 is a deficient number, since it is larger than the sum of its proper divisors (146785).

2939423 is a wasteful number, since it uses less digits than its factorization.

2939423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its digits is 11664, while the sum is 32.

The square root of 2939423 is about 1714.4745550751. The cubic root of 2939423 is about 143.2476027201.

The spelling of 2939423 in words is "two million, nine hundred thirty-nine thousand, four hundred twenty-three".