2691798 has 8 divisors (see below), whose sum is σ = 5383608. Its totient is φ = 897264.

The previous prime is 2691781. The next prime is 2691803. The reversal of 2691798 is 8971962.

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

2691798 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224311 + ... + 224322.

It is an arithmetic number, because the mean of its divisors is an integer number (672951).

2^2691798 is an apocalyptic number.

2691798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691798 is a wasteful number, since it uses less digits than its factorization.

2691798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448638.

The product of its digits is 54432, while the sum is 42.

The square root of 2691798 is about 1640.6699850976. The cubic root of 2691798 is about 139.1065208361.

The spelling of 2691798 in words is "two million, six hundred ninety-one thousand, seven hundred ninety-eight".