1478319794 has 16 divisors (see below), whose sum is σ = 2545432128. Its totient is φ = 630773232.

The previous prime is 1478319781. The next prime is 1478319797. The reversal of 1478319794 is 4979138741.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1478319797) 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, 229409 + ... + 235764.

It is an arithmetic number, because the mean of its divisors is an integer number (159089508).

Almost surely, 2^1478319794 is an apocalyptic number.

1478319794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1478319794 is a deficient number, since it is larger than the sum of its proper divisors (1067112334).

1478319794 is a wasteful number, since it uses less digits than its factorization.

1478319794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465409.

The product of its digits is 1524096, while the sum is 53.

The square root of 1478319794 is about 38448.9244843078. The cubic root of 1478319794 is about 1139.1724254330.

The spelling of 1478319794 in words is "one billion, four hundred seventy-eight million, three hundred nineteen thousand, seven hundred ninety-four".