2928769 has 2 divisors, whose sum is σ = 2928770. Its totient is φ = 2928768.

The previous prime is 2928749. The next prime is 2928791. The reversal of 2928769 is 9678292.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 1238769 = 1300^2 + 1113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928769 - 2²¹ = 831617 is a prime.

It is a super-2 number, since 2×2928769² = 17155375710722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 9² + 2²¹ + 8 + 7⁷ + 6⁵ + 9² .

It is not a weakly prime, because it can be changed into another prime (2928719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464384 + 1464385.

It is an arithmetic number, because the mean of its divisors is an integer number (1464385).

2^2928769 is an apocalyptic number.

It is an amenable number.

2928769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928769 is an equidigital number, since it uses as much as digits as its factorization.

2928769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 2928769 is about 1711.3646601470. The cubic root of 2928769 is about 143.0743252268.

The spelling of 2928769 in words is "two million, nine hundred twenty-eight thousand, seven hundred sixty-nine".