1406434 has 4 divisors (see below), whose sum is σ = 2109654. Its totient is φ = 703216.

The previous prime is 1406429. The next prime is 1406441. The reversal of 1406434 is 4346041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1404225 + 2209 = 1185^2 + 47^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351607 + ... + 351610.

2^1406434 is an apocalyptic number.

1406434 is a deficient number, since it is larger than the sum of its proper divisors (703220).

1406434 is an equidigital number, since it uses as much as digits as its factorization.

1406434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703219.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1406434 is about 1185.9317012375. The cubic root of 1406434 is about 112.0400048418.

The spelling of 1406434 in words is "one million, four hundred six thousand, four hundred thirty-four".