1429408387 has 4 divisors (see below), whose sum is σ = 1559354616. Its totient is φ = 1299462160.

The previous prime is 1429408381. The next prime is 1429408391. The reversal of 1429408387 is 7838049241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1429408387 - 2¹¹ = 1429406339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429408381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64973098 + ... + 64973119.

It is an arithmetic number, because the mean of its divisors is an integer number (389838654).

Almost surely, 2^1429408387 is an apocalyptic number.

1429408387 is a deficient number, since it is larger than the sum of its proper divisors (129946229).

1429408387 is a wasteful number, since it uses less digits than its factorization.

1429408387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129946228.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 1429408387 is about 37807.5175990173. The cubic root of 1429408387 is about 1126.4677827908.

The spelling of 1429408387 in words is "one billion, four hundred twenty-nine million, four hundred eight thousand, three hundred eighty-seven".