1427331966 has 16 divisors (see below), whose sum is σ = 2871759744. Its totient is φ = 472928024.

The previous prime is 1427331929. The next prime is 1427331967. The reversal of 1427331966 is 6691337241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427331967) 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, 711240 + ... + 713243.

It is an arithmetic number, because the mean of its divisors is an integer number (179484984).

Almost surely, 2^1427331966 is an apocalyptic number.

1427331966 is an abundant number, since it is smaller than the sum of its proper divisors (1444427778).

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

1427331966 is a wasteful number, since it uses less digits than its factorization.

1427331966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424655.

The product of its digits is 163296, while the sum is 42.

The square root of 1427331966 is about 37780.0471942532. The cubic root of 1427331966 is about 1125.9220663755.

The spelling of 1427331966 in words is "one billion, four hundred twenty-seven million, three hundred thirty-one thousand, nine hundred sixty-six".