1404929 has 4 divisors (see below), whose sum is σ = 1417476. Its totient is φ = 1392384.

The previous prime is 1404919. The next prime is 1404937. The reversal of 1404929 is 9294041.

It is a Cunningham number, because it is equal to 112³+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9294041 = 373 ⋅24917.

It can be written as a sum of positive squares in 2 ways, for example, as 87025 + 1317904 = 295^2 + 1148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (354369).

It is a Proth number, since it is equal to 343 ⋅ 2¹² + 1 and 343 < 2¹².

2^1404929 is an apocalyptic number.

It is an amenable number.

1404929 is a deficient number, since it is larger than the sum of its proper divisors (12547).

1404929 is a wasteful number, since it uses less digits than its factorization.

1404929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1404929 is about 1185.2970091922. The cubic root of 1404929 is about 112.0000265731. Note that the first 4 decimals are identical.

The spelling of 1404929 in words is "one million, four hundred four thousand, nine hundred twenty-nine".