1407429 has 8 divisors (see below), whose sum is σ = 2085120. Its totient is φ = 938268.

The previous prime is 1407409. The next prime is 1407449. The reversal of 1407429 is 9247041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1407409) and next prime (1407449).

It is not a de Polignac number, because 1407429 - 2⁵ = 1407397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 52127 = 1407429 / (1 + 4 + 0 + 7 + 4 + 2 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26037 + ... + 26090.

It is an arithmetic number, because the mean of its divisors is an integer number (260640).

2^1407429 is an apocalyptic number.

It is an amenable number.

1407429 is a deficient number, since it is larger than the sum of its proper divisors (677691).

1407429 is an equidigital number, since it uses as much as digits as its factorization.

1407429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52136 (or 52130 counting only the distinct ones).

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

The square root of 1407429 is about 1186.3511284607. The cubic root of 1407429 is about 112.0664199990.

It can be divided in two parts, 140 and 7429, that added together give a square (7569 = 87²).

The spelling of 1407429 in words is "one million, four hundred seven thousand, four hundred twenty-nine".