2691297 has 12 divisors (see below), whose sum is σ = 4442880. Its totient is φ = 1537848.

The previous prime is 2691277. The next prime is 2691317. The reversal of 2691297 is 7921962.

It is an interprime number because it is at equal distance from previous prime (2691277) and next prime (2691317).

It is not a de Polignac number, because 2691297 - 2⁶ = 2691233 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2691277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21297 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (370240).

2^2691297 is an apocalyptic number.

It is an amenable number.

2691297 is a deficient number, since it is larger than the sum of its proper divisors (1751583).

2691297 is a wasteful number, since it uses less digits than its factorization.

2691297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42732 (or 42729 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2691297 is about 1640.5172964647. The cubic root of 2691297 is about 139.0978900880.

The spelling of 2691297 in words is "two million, six hundred ninety-one thousand, two hundred ninety-seven".