2447438 has 16 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 1030776.

The previous prime is 2447437. The next prime is 2447479. The reversal of 2447438 is 8347442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447437) 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, 656 + ... + 2307.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

2^2447438 is an apocalyptic number.

2447438 is a deficient number, since it is larger than the sum of its proper divisors (1820722).

2447438 is a wasteful number, since it uses less digits than its factorization.

2447438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031.

The product of its digits is 21504, while the sum is 32.

The square root of 2447438 is about 1564.4289693048. The cubic root of 2447438 is about 134.7629676940.

The spelling of 2447438 in words is "two million, four hundred forty-seven thousand, four hundred thirty-eight".