1429688 has 32 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 645888.

The previous prime is 1429669. The next prime is 1429697. The reversal of 1429688 is 8869241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6020 + ... + 6252.

2^1429688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474200).

1429688 is an abundant number, since it is smaller than the sum of its proper divisors (1518712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429688 is a wasteful number, since it uses less digits than its factorization.

1429688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 307 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1429688 is about 1195.6956134401. The cubic root of 1429688 is about 112.6541229144.

The spelling of 1429688 in words is "one million, four hundred twenty-nine thousand, six hundred eighty-eight".