2743998 has 8 divisors (see below), whose sum is σ = 5488008. Its totient is φ = 914664.

The previous prime is 2743991. The next prime is 2744003. The reversal of 2743998 is 8993472.

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

2743998 is an admirable number.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 4⁶ + 3 + 9² + 9³ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228661 + ... + 228672.

It is an arithmetic number, because the mean of its divisors is an integer number (686001).

2^2743998 is an apocalyptic number.

2743998 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.

2743998 is a wasteful number, since it uses less digits than its factorization.

2743998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457338.

The product of its digits is 108864, while the sum is 42.

The square root of 2743998 is about 1656.5017355862. The cubic root of 2743998 is about 139.9999659864. Note that the first 4 decimals are identical.

It can be divided in two parts, 2743 and 998, that added together give a triangular number (3741 = T₈₆).

The spelling of 2743998 in words is "two million, seven hundred forty-three thousand, nine hundred ninety-eight".