1478397344 has 24 divisors (see below), whose sum is σ = 2954040768. Its totient is φ = 728164800.

The previous prime is 1478397341. The next prime is 1478397359. The reversal of 1478397344 is 4437938741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1478397292 and 1478397301.

It is not an unprimeable number, because it can be changed into a prime (1478397341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342632 + ... + 346919.

It is an arithmetic number, because the mean of its divisors is an integer number (123085032).

Almost surely, 2^1478397344 is an apocalyptic number.

It is an amenable number.

1478397344 is a deficient number, since it is larger than the sum of its proper divisors (1475643424).

1478397344 is an equidigital number, since it uses as much as digits as its factorization.

1478397344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689628 (or 689620 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 1478397344 is about 38449.9329518271. The cubic root of 1478397344 is about 1139.1923447309.

It can be divided in two parts, 1478397 and 344, that added together give a palindrome (1478741).

The spelling of 1478397344 in words is "one billion, four hundred seventy-eight million, three hundred ninety-seven thousand, three hundred forty-four".