3067861 has 2 divisors, whose sum is σ = 3067862. Its totient is φ = 3067860.

The previous prime is 3067859. The next prime is 3067877. The reversal of 3067861 is 1687603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 1020100 = 1431^2 + 1010^2 .

It is an emirp because it is prime and its reverse (1687603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3067861 - 2¹ = 3067859 is a prime.

It is a super-2 number, since 2×3067861² = 18823542230642, which contains 22 as substring.

Together with 3067859, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3067891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1533930 + 1533931.

It is an arithmetic number, because the mean of its divisors is an integer number (1533931).

Almost surely, 2^3067861 is an apocalyptic number.

It is an amenable number.

3067861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3067861 is an equidigital number, since it uses as much as digits as its factorization.

3067861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3067861 is about 1751.5310445436. The cubic root of 3067861 is about 145.3043310859.

The spelling of 3067861 in words is "three million, sixty-seven thousand, eight hundred sixty-one".