1440434 has 16 divisors (see below), whose sum is σ = 2239488. Its totient is φ = 694512.

The previous prime is 1440419. The next prime is 1440437. The reversal of 1440434 is 4340441.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1440437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11279 + ... + 11405.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

2^1440434 is an apocalyptic number.

1440434 is a deficient number, since it is larger than the sum of its proper divisors (799054).

1440434 is a wasteful number, since it uses less digits than its factorization.

1440434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1440434 is about 1200.1808197101. The cubic root of 1440434 is about 112.9356670383.

Adding to 1440434 its reverse (4340441), we get a palindrome (5780875).

The spelling of 1440434 in words is "one million, four hundred forty thousand, four hundred thirty-four".