3046921 has 2 divisors, whose sum is σ = 3046922. Its totient is φ = 3046920.

The previous prime is 3046909. The next prime is 3046933. The reversal of 3046921 is 1296403.

It is a balanced prime because it is at equal distance from previous prime (3046909) and next prime (3046933).

It can be written as a sum of positive squares in only one way, i.e., 3027600 + 19321 = 1740^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3046921 - 2¹⁵ = 3014153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3046991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523460 + 1523461.

It is an arithmetic number, because the mean of its divisors is an integer number (1523461).

Almost surely, 2^3046921 is an apocalyptic number.

It is an amenable number.

3046921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3046921 is an equidigital number, since it uses as much as digits as its factorization.

3046921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3046921 is about 1745.5431819351. The cubic root of 3046921 is about 144.9729795073.

It can be divided in two parts, 304 and 6921, that added together give a square (7225 = 85²).

The spelling of 3046921 in words is "three million, forty-six thousand, nine hundred twenty-one".