2691494 has 12 divisors (see below), whose sum is σ = 4372236. Its totient is φ = 1242072.

The previous prime is 2691467. The next prime is 2691517. The reversal of 2691494 is 4941962.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3644 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (364353).

2^2691494 is an apocalyptic number.

2691494 is a deficient number, since it is larger than the sum of its proper divisors (1680742).

2691494 is a wasteful number, since it uses less digits than its factorization.

2691494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991 (or 7978 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 2691494 is about 1640.5773374029. The cubic root of 2691494 is about 139.1012839431.

The spelling of 2691494 in words is "two million, six hundred ninety-one thousand, four hundred ninety-four".