2671939 has 2 divisors, whose sum is σ = 2671940. Its totient is φ = 2671938.

The previous prime is 2671931. The next prime is 2671961. The reversal of 2671939 is 9391762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2671939 - 2³ = 2671931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2671898 and 2671907.

It is not a weakly prime, because it can be changed into another prime (2671931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335969 + 1335970.

It is an arithmetic number, because the mean of its divisors is an integer number (1335970).

2^2671939 is an apocalyptic number.

2671939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671939 is an equidigital number, since it uses as much as digits as its factorization.

2671939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 2671939 is about 1634.6066805198. The cubic root of 2671939 is about 138.7635854998.

The spelling of 2671939 in words is "two million, six hundred seventy-one thousand, nine hundred thirty-nine".