1429749 has 12 divisors (see below), whose sum is σ = 2155296. Its totient is φ = 911592.

The previous prime is 1429741. The next prime is 1429759. The reversal of 1429749 is 9479241.

It is not a de Polignac number, because 1429749 - 2³ = 1429741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3247 + ... + 3660.

It is an arithmetic number, because the mean of its divisors is an integer number (179608).

2^1429749 is an apocalyptic number.

It is an amenable number.

1429749 is a deficient number, since it is larger than the sum of its proper divisors (725547).

1429749 is a wasteful number, since it uses less digits than its factorization.

1429749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6933 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1429749 is about 1195.7211213322. The cubic root of 1429749 is about 112.6557250830.

The spelling of 1429749 in words is "one million, four hundred twenty-nine thousand, seven hundred forty-nine".