2697869 has 2 divisors, whose sum is σ = 2697870. Its totient is φ = 2697868.

The previous prime is 2697853. The next prime is 2697887. The reversal of 2697869 is 9687962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2601769 + 96100 = 1613^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2697869 - 2⁴ = 2697853 is a prime.

It is a super-2 number, since 2×2697869² = 14556994282322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2697809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348934 + 1348935.

It is an arithmetic number, because the mean of its divisors is an integer number (1348935).

2^2697869 is an apocalyptic number.

It is an amenable number.

2697869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697869 is an equidigital number, since it uses as much as digits as its factorization.

2697869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 2697869 is about 1642.5191018676. The cubic root of 2697869 is about 139.2110211966.

The spelling of 2697869 in words is "two million, six hundred ninety-seven thousand, eight hundred sixty-nine".