1429407 has 20 divisors (see below), whose sum is σ = 2441296. Its totient is φ = 816480.

The previous prime is 1429403. The next prime is 1429409. The reversal of 1429407 is 7049241.

It is a happy number.

It is not a de Polignac number, because 1429407 - 2² = 1429403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 694 + ... + 1827.

2^1429407 is an apocalyptic number.

1429407 is a deficient number, since it is larger than the sum of its proper divisors (1011889).

1429407 is an equidigital number, since it uses as much as digits as its factorization.

1429407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1429407 is about 1195.5781028440. The cubic root of 1429407 is about 112.6467418442.

The spelling of 1429407 in words is "one million, four hundred twenty-nine thousand, four hundred seven".