1477231994 has 16 divisors (see below), whose sum is σ = 2642502528. Its totient is φ = 605573232.

The previous prime is 1477231979. The next prime is 1477232027. The reversal of 1477231994 is 4991327741.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293517 + ... + 2294160.

It is an arithmetic number, because the mean of its divisors is an integer number (165156408).

Almost surely, 2^1477231994 is an apocalyptic number.

1477231994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1477231994 is a deficient number, since it is larger than the sum of its proper divisors (1165270534).

1477231994 is a wasteful number, since it uses less digits than its factorization.

1477231994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587709.

The product of its digits is 381024, while the sum is 47.

The square root of 1477231994 is about 38434.7758416775. The cubic root of 1477231994 is about 1138.8929424144.

The spelling of 1477231994 in words is "one billion, four hundred seventy-seven million, two hundred thirty-one thousand, nine hundred ninety-four".