2629969 has 2 divisors, whose sum is σ = 2629970. Its totient is φ = 2629968.

The previous prime is 2629943. The next prime is 2629973. The reversal of 2629969 is 9699262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 439569 = 1480^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2629969 - 2⁷ = 2629841 is a prime.

It is a super-2 number, since 2×2629969² = 13833473881922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 2²¹ + 9 + 9 + 6⁵ + 9³ .

It is not a weakly prime, because it can be changed into another prime (2629909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314984 + 1314985.

It is an arithmetic number, because the mean of its divisors is an integer number (1314985).

2^2629969 is an apocalyptic number.

It is an amenable number.

2629969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2629969 is an equidigital number, since it uses as much as digits as its factorization.

2629969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 2629969 is about 1621.7179162851. The cubic root of 2629969 is about 138.0331958228.

The spelling of 2629969 in words is "two million, six hundred twenty-nine thousand, nine hundred sixty-nine".