1406534 has 4 divisors (see below), whose sum is σ = 2109804. Its totient is φ = 703266.

The previous prime is 1406533. The next prime is 1406539. The reversal of 1406534 is 4356041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406533) 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, 351632 + ... + 351635.

It is an arithmetic number, because the mean of its divisors is an integer number (527451).

2^1406534 is an apocalyptic number.

1406534 is a deficient number, since it is larger than the sum of its proper divisors (703270).

1406534 is an equidigital number, since it uses as much as digits as its factorization.

1406534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703269.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1406534 is about 1185.9738614320. The cubic root of 1406534 is about 112.0426601945.

The spelling of 1406534 in words is "one million, four hundred six thousand, five hundred thirty-four".