1429669 has 2 divisors, whose sum is σ = 1429670. Its totient is φ = 1429668.

The previous prime is 1429661. The next prime is 1429697. The reversal of 1429669 is 9669241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292769 + 136900 = 1137^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429669 - 2³ = 1429661 is a prime.

It is a super-2 number, since 2×1429669² = 4087906899122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714834 + 714835.

It is an arithmetic number, because the mean of its divisors is an integer number (714835).

2^1429669 is an apocalyptic number.

It is an amenable number.

1429669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429669 is an equidigital number, since it uses as much as digits as its factorization.

1429669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 1429669 is about 1195.6876682479. The cubic root of 1429669 is about 112.6536238690.

It can be divided in two parts, 14296 and 69, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 1429669 in words is "one million, four hundred twenty-nine thousand, six hundred sixty-nine".