1429891898 has 8 divisors (see below), whose sum is σ = 2147258592. Its totient is φ = 714139036.

The previous prime is 1429891891. The next prime is 1429891927. The reversal of 1429891898 is 8981989241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1429891891) 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 3 ways as a sum of consecutive naturals, for example, 401240 + ... + 404787.

It is an arithmetic number, because the mean of its divisors is an integer number (268407324).

Almost surely, 2^1429891898 is an apocalyptic number.

1429891898 is a deficient number, since it is larger than the sum of its proper divisors (717366694).

1429891898 is an equidigital number, since it uses as much as digits as its factorization.

1429891898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806916.

The product of its digits is 2985984, while the sum is 59.

The square root of 1429891898 is about 37813.9114348146. The cubic root of 1429891898 is about 1126.5947812910.

The spelling of 1429891898 in words is "one billion, four hundred twenty-nine million, eight hundred ninety-one thousand, eight hundred ninety-eight".