2697949 has 4 divisors (see below), whose sum is σ = 2760736. Its totient is φ = 2635164.

The previous prime is 2697931. The next prime is 2697953. The reversal of 2697949 is 9497962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2697949 - 2⁹ = 2697437 is a prime.

It is a Duffinian number.

2697949 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2697899 and 2697908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2695949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31329 + ... + 31414.

It is an arithmetic number, because the mean of its divisors is an integer number (690184).

2^2697949 is an apocalyptic number.

It is an amenable number.

2697949 is a deficient number, since it is larger than the sum of its proper divisors (62787).

2697949 is an equidigital number, since it uses as much as digits as its factorization.

2697949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62786.

The product of its digits is 244944, while the sum is 46.

The square root of 2697949 is about 1642.5434545241. The cubic root of 2697949 is about 139.2123971927.

It can be divided in two parts, 26979 and 49, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 2697949 in words is "two million, six hundred ninety-seven thousand, nine hundred forty-nine".