2920969 has 2 divisors, whose sum is σ = 2920970. Its totient is φ = 2920968.

The previous prime is 2920943. The next prime is 2920979. The reversal of 2920969 is 9690292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 1452025 = 1212^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920969 - 2⁹ = 2920457 is a prime.

It is a super-2 number, since 2×2920969² = 17064119797922, which contains 22 as substring.

It is a Chen prime.

2920969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2920979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460484 + 1460485.

It is an arithmetic number, because the mean of its divisors is an integer number (1460485).

2^2920969 is an apocalyptic number.

It is an amenable number.

2920969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920969 is an equidigital number, since it uses as much as digits as its factorization.

2920969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2920969 is about 1709.0842577240. The cubic root of 2920969 is about 142.9471987890.

The spelling of 2920969 in words is "two million, nine hundred twenty thousand, nine hundred sixty-nine".