2699949 has 12 divisors (see below), whose sum is σ = 4187904. Its totient is φ = 1542744.

The previous prime is 2699911. The next prime is 2699951. The reversal of 2699949 is 9499962.

2699949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2699949 - 2¹⁹ = 2175661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2699898 and 2699907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2699989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9037 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (348992).

2^2699949 is an apocalyptic number.

It is an amenable number.

2699949 is a deficient number, since it is larger than the sum of its proper divisors (1487955).

2699949 is a wasteful number, since it uses less digits than its factorization.

2699949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18384 (or 18377 counting only the distinct ones).

The product of its digits is 314928, while the sum is 48.

The square root of 2699949 is about 1643.1521536364. The cubic root of 2699949 is about 139.2467882583.

The spelling of 2699949 in words is "two million, six hundred ninety-nine thousand, nine hundred forty-nine".