7039849 has 2 divisors, whose sum is σ = 7039850. Its totient is φ = 7039848.

The previous prime is 7039847. The next prime is 7039867. The reversal of 7039849 is 9489307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 1841449 = 2280^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 7039849 - 2¹ = 7039847 is a prime.

Together with 7039847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7039841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3519924 + 3519925.

It is an arithmetic number, because the mean of its divisors is an integer number (3519925).

Almost surely, 2^7039849 is an apocalyptic number.

It is an amenable number.

7039849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7039849 is an equidigital number, since it uses as much as digits as its factorization.

7039849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 7039849 is about 2653.2713769986. The cubic root of 7039849 is about 191.6554239992.

The spelling of 7039849 in words is "seven million, thirty-nine thousand, eight hundred forty-nine".