1405214 has 4 divisors (see below), whose sum is σ = 2107824. Its totient is φ = 702606.

The previous prime is 1405211. The next prime is 1405241. The reversal of 1405214 is 4125041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4125041 = 163 ⋅25307.

It is a junction number, because it is equal to n+sod(n) for n = 1405192 and 1405201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405211) 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 as a sum of consecutive naturals, namely, 351302 + ... + 351305.

It is an arithmetic number, because the mean of its divisors is an integer number (526956).

2^1405214 is an apocalyptic number.

1405214 is a deficient number, since it is larger than the sum of its proper divisors (702610).

1405214 is an equidigital number, since it uses as much as digits as its factorization.

1405214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702609.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1405214 is about 1185.4172261276. The cubic root of 1405214 is about 112.0075993993.

The spelling of 1405214 in words is "one million, four hundred five thousand, two hundred fourteen".