2447992 has 8 divisors (see below), whose sum is σ = 4590000. Its totient is φ = 1223992.

The previous prime is 2447981. The next prime is 2448007. The reversal of 2447992 is 2997442.

2447992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152992 + ... + 153007.

It is an arithmetic number, because the mean of its divisors is an integer number (573750).

2^2447992 is an apocalyptic number.

It is an amenable number.

2447992 is a deficient number, since it is larger than the sum of its proper divisors (2142008).

2447992 is a wasteful number, since it uses less digits than its factorization.

2447992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306005 (or 306001 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 2447992 is about 1564.6060206966. The cubic root of 2447992 is about 134.7731352041.

The spelling of 2447992 in words is "two million, four hundred forty-seven thousand, nine hundred ninety-two".