3028861397 has 2 divisors, whose sum is σ = 3028861398. Its totient is φ = 3028861396.

The previous prime is 3028861393. The next prime is 3028861447. The reversal of 3028861397 is 7931688203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2105066161 + 923795236 = 45881^2 + 30394^2 .

It is a cyclic number.

It is not a de Polignac number, because 3028861397 - 2² = 3028861393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3028861393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514430698 + 1514430699.

It is an arithmetic number, because the mean of its divisors is an integer number (1514430699).

Almost surely, 2^3028861397 is an apocalyptic number.

It is an amenable number.

3028861397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3028861397 is an equidigital number, since it uses as much as digits as its factorization.

3028861397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 3028861397 is about 55035.0924138408. The cubic root of 3028861397 is about 1446.8598548933.

The spelling of 3028861397 in words is "three billion, twenty-eight million, eight hundred sixty-one thousand, three hundred ninety-seven".