2696991 has 8 divisors (see below), whose sum is σ = 3922944. Its totient is φ = 1634520.

The previous prime is 2696989. The next prime is 2697007. The reversal of 2696991 is 1996962.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2696991 - 2¹ = 2696989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2696921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40831 + ... + 40896.

It is an arithmetic number, because the mean of its divisors is an integer number (490368).

2^2696991 is an apocalyptic number.

2696991 is a deficient number, since it is larger than the sum of its proper divisors (1225953).

2696991 is a wasteful number, since it uses less digits than its factorization.

2696991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81741.

The product of its digits is 52488, while the sum is 42.

The square root of 2696991 is about 1642.2518077323. The cubic root of 2696991 is about 139.1959178516.

It can be divided in two parts, 269 and 6991, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 2696991 in words is "two million, six hundred ninety-six thousand, nine hundred ninety-one".