1429899 has 4 divisors (see below), whose sum is σ = 1906536. Its totient is φ = 953264.

The previous prime is 1429889. The next prime is 1429907. The reversal of 1429899 is 9989241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9989241 = 3 ⋅3329747.

It is a cyclic number.

It is not a de Polignac number, because 1429899 - 2⁵ = 1429867 is a prime.

It is a super-2 number, since 2×1429899² = 4089222300402, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1429899.

It is not an unprimeable number, because it can be changed into a prime (1429829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238314 + ... + 238319.

It is an arithmetic number, because the mean of its divisors is an integer number (476634).

2^1429899 is an apocalyptic number.

1429899 is a deficient number, since it is larger than the sum of its proper divisors (476637).

1429899 is an equidigital number, since it uses as much as digits as its factorization.

1429899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476636.

The product of its digits is 46656, while the sum is 42.

The square root of 1429899 is about 1195.7838433429. The cubic root of 1429899 is about 112.6596646482.

The spelling of 1429899 in words is "one million, four hundred twenty-nine thousand, eight hundred ninety-nine".