2691339 has 8 divisors (see below), whose sum is σ = 4101120. Its totient is φ = 1537896.

The previous prime is 2691329. The next prime is 2691373. The reversal of 2691339 is 9331962.

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

It is not a de Polignac number, because 2691339 - 2⁹ = 2690827 is a prime.

It is a super-2 number, since 2×2691339² = 14486611225842, which contains 22 as substring.

It is an Ulam number.

2691339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2691329) 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, 64059 + ... + 64100.

It is an arithmetic number, because the mean of its divisors is an integer number (512640).

2^2691339 is an apocalyptic number.

2691339 is a deficient number, since it is larger than the sum of its proper divisors (1409781).

2691339 is a wasteful number, since it uses less digits than its factorization.

2691339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128169.

The product of its digits is 8748, while the sum is 33.

The square root of 2691339 is about 1640.5300972552. The cubic root of 2691339 is about 139.0986136649.

The spelling of 2691339 in words is "two million, six hundred ninety-one thousand, three hundred thirty-nine".