3002639 has 2 divisors, whose sum is σ = 3002640. Its totient is φ = 3002638.

The previous prime is 3002621. The next prime is 3002641. The reversal of 3002639 is 9362003.

It is a happy number.

3002639 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3002639 is a prime.

Together with 3002641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3002669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501319 + 1501320.

It is an arithmetic number, because the mean of its divisors is an integer number (1501320).

Almost surely, 2^3002639 is an apocalyptic number.

3002639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3002639 is an equidigital number, since it uses as much as digits as its factorization.

3002639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3002639 is about 1732.8124537872. The cubic root of 3002639 is about 144.2672345988.

The spelling of 3002639 in words is "three million, two thousand, six hundred thirty-nine".