1478387814 has 32 divisors (see below), whose sum is σ = 2990338560. Its totient is φ = 487224192.

The previous prime is 1478387791. The next prime is 1478387821. The reversal of 1478387814 is 4187838741.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295159 + ... + 300125.

It is an arithmetic number, because the mean of its divisors is an integer number (93448080).

Almost surely, 2^1478387814 is an apocalyptic number.

1478387814 is an abundant number, since it is smaller than the sum of its proper divisors (1511950746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1478387814 is a wasteful number, since it uses less digits than its factorization.

1478387814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524.

The product of its digits is 1204224, while the sum is 51.

The square root of 1478387814 is about 38449.8090242331. The cubic root of 1478387814 is about 1139.1898969166.

The spelling of 1478387814 in words is "one billion, four hundred seventy-eight million, three hundred eighty-seven thousand, eight hundred fourteen".