1406093 has 4 divisors (see below), whose sum is σ = 1514268. Its totient is φ = 1297920.

The previous prime is 1406089. The next prime is 1406101. The reversal of 1406093 is 3906041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3906041 = 1723 ⋅2267.

It can be written as a sum of positive squares in 2 ways, for example, as 635209 + 770884 = 797^2 + 878^2 .

It is not a de Polignac number, because 1406093 - 2² = 1406089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54068 + ... + 54093.

It is an arithmetic number, because the mean of its divisors is an integer number (378567).

2^1406093 is an apocalyptic number.

1406093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1406093 is a deficient number, since it is larger than the sum of its proper divisors (108175).

1406093 is a wasteful number, since it uses less digits than its factorization.

1406093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108174.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1406093 is about 1185.7879237031. The cubic root of 1406093 is about 112.0309491426.

The spelling of 1406093 in words is "one million, four hundred six thousand, ninety-three".