1405473 has 4 divisors (see below), whose sum is σ = 1873968. Its totient is φ = 936980.

The previous prime is 1405451. The next prime is 1405477. The reversal of 1405473 is 3745041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3745041 = 3 ⋅1248347.

It is a cyclic number.

It is not a de Polignac number, because 1405473 - 2⁹ = 1404961 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1405477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234243 + ... + 234248.

It is an arithmetic number, because the mean of its divisors is an integer number (468492).

2^1405473 is an apocalyptic number.

It is an amenable number.

1405473 is a deficient number, since it is larger than the sum of its proper divisors (468495).

1405473 is an equidigital number, since it uses as much as digits as its factorization.

1405473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468494.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1405473 is about 1185.5264653309. The cubic root of 1405473 is about 112.0144804832.

The spelling of 1405473 in words is "one million, four hundred five thousand, four hundred seventy-three".