1234403406 has 24 divisors (see below), whose sum is σ = 2683264584. Its totient is φ = 410125680.

The previous prime is 1234403393. The next prime is 1234403411. The reversal of 1234403406 is 6043044321.

It is a self number, because there is not a number n which added to its sum of digits gives 1234403406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106165 + ... + 117216.

It is an arithmetic number, because the mean of its divisors is an integer number (111802691).

Almost surely, 2^1234403406 is an apocalyptic number.

1234403406 is an abundant number, since it is smaller than the sum of its proper divisors (1448861178).

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

1234403406 is a wasteful number, since it uses less digits than its factorization.

1234403406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223696 (or 223693 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1234403406 is about 35134.0775601125. The cubic root of 1234403406 is about 1072.7183352580.

Adding to 1234403406 its reverse (6043044321), we get a palindrome (7277447727).

The spelling of 1234403406 in words is "one billion, two hundred thirty-four million, four hundred three thousand, four hundred six".