1427889492 has 24 divisors (see below), whose sum is σ = 3701936000. Its totient is φ = 475963128.

The previous prime is 1427889479. The next prime is 1427889497. The reversal of 1427889492 is 2949887241.

1427889492 is a `hidden beast` number, since 1 + 4 + 2 + 78 + 89 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427889497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6610492 + ... + 6610707.

Almost surely, 2^1427889492 is an apocalyptic number.

1427889492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427889492 is an abundant number, since it is smaller than the sum of its proper divisors (2274046508).

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

1427889492 is a wasteful number, since it uses less digits than its factorization.

1427889492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221212 (or 13221204 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1427889492 is about 37787.4250511992. The cubic root of 1427889492 is about 1126.0686450100.

The spelling of 1427889492 in words is "one billion, four hundred twenty-seven million, eight hundred eighty-nine thousand, four hundred ninety-two".