1427838975 has 24 divisors (see below), whose sum is σ = 2622994320. Its totient is φ = 761513760.

The previous prime is 1427838967. The next prime is 1427839001. The reversal of 1427838975 is 5798387241.

It is a happy number.

It is not a de Polignac number, because 1427838975 - 2³ = 1427838967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1056984 + ... + 1058333.

It is an arithmetic number, because the mean of its divisors is an integer number (109291430).

Almost surely, 2^1427838975 is an apocalyptic number.

1427838975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1427838975 is a deficient number, since it is larger than the sum of its proper divisors (1195155345).

1427838975 is a wasteful number, since it uses less digits than its factorization.

1427838975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115336 (or 2115325 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 1427838975 is about 37786.7566086321. The cubic root of 1427838975 is about 1126.0553652053.

The spelling of 1427838975 in words is "one billion, four hundred twenty-seven million, eight hundred thirty-eight thousand, nine hundred seventy-five".