1423734 has 16 divisors (see below), whose sum is σ = 3066672. Its totient is φ = 438048.

The previous prime is 1423717. The next prime is 1423753. The reversal of 1423734 is 4373241.

It is a d-powerful number, because it can be written as 1 + 4⁵ + 2 + 3⁷ + 7⁷ + 3¹² + 4⁸ .

It is a congruent number.

It is an unprimeable number.

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, 9049 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (191667).

2^1423734 is an apocalyptic number.

1423734 is an abundant number, since it is smaller than the sum of its proper divisors (1642938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423734 is a wasteful number, since it uses less digits than its factorization.

1423734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18271.

The product of its digits is 2016, while the sum is 24.

The square root of 1423734 is about 1193.2032517555. The cubic root of 1423734 is about 112.4975209330.

Adding to 1423734 its reverse (4373241), we get a palindrome (5796975).

The spelling of 1423734 in words is "one million, four hundred twenty-three thousand, seven hundred thirty-four".