3078997 has 2 divisors, whose sum is σ = 3078998. Its totient is φ = 3078996.

The previous prime is 3078983. The next prime is 3079003. The reversal of 3078997 is 7998703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3066001 + 12996 = 1751^2 + 114^2 .

It is an emirp because it is prime and its reverse (7998703) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3078997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3078947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539498 + 1539499.

It is an arithmetic number, because the mean of its divisors is an integer number (1539499).

Almost surely, 2^3078997 is an apocalyptic number.

It is an amenable number.

3078997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3078997 is an equidigital number, since it uses as much as digits as its factorization.

3078997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3078997 is about 1754.7070980651. The cubic root of 3078997 is about 145.4799317315.

The spelling of 3078997 in words is "three million, seventy-eight thousand, nine hundred ninety-seven".