2947998 has 8 divisors (see below), whose sum is σ = 5896008. Its totient is φ = 982664.

The previous prime is 2947949. The next prime is 2947999. The reversal of 2947998 is 8997492.

It is a happy number.

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

2947998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947999) 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, 245661 + ... + 245672.

It is an arithmetic number, because the mean of its divisors is an integer number (737001).

2^2947998 is an apocalyptic number.

2947998 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.

2947998 is a wasteful number, since it uses less digits than its factorization.

2947998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491338.

The product of its digits is 326592, while the sum is 48.

The square root of 2947998 is about 1716.9735000867. The cubic root of 2947998 is about 143.3867633268.

The spelling of 2947998 in words is "two million, nine hundred forty-seven thousand, nine hundred ninety-eight".