2978267 has 2 divisors, whose sum is σ = 2978268. Its totient is φ = 2978266.

The previous prime is 2978251. The next prime is 2978273. The reversal of 2978267 is 7628792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2978267 - 2⁴ = 2978251 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 9⁵ + 7⁴ + 8⁷ + 2¹⁹ + 6⁶ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2908267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489133 + 1489134.

It is an arithmetic number, because the mean of its divisors is an integer number (1489134).

2^2978267 is an apocalyptic number.

2978267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978267 is an equidigital number, since it uses as much as digits as its factorization.

2978267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 2978267 is about 1725.7656271928. The cubic root of 2978267 is about 143.8758414108.

The spelling of 2978267 in words is "two million, nine hundred seventy-eight thousand, two hundred sixty-seven".