1406352404 has 12 divisors (see below), whose sum is σ = 2605888404. Its totient is φ = 661812864.

The previous prime is 1406352401. The next prime is 1406352449. The reversal of 1406352404 is 4042536041.

It can be written as a sum of positive squares in 2 ways, for example, as 1275204100 + 131148304 = 35710^2 + 11452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406352401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10340759 + ... + 10340894.

It is an arithmetic number, because the mean of its divisors is an integer number (217157367).

Almost surely, 2^1406352404 is an apocalyptic number.

It is an amenable number.

1406352404 is a deficient number, since it is larger than the sum of its proper divisors (1199536000).

1406352404 is a wasteful number, since it uses less digits than its factorization.

1406352404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20681674 (or 20681672 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1406352404 is about 37501.3653618105. The cubic root of 1406352404 is about 1120.3783808694.

Adding to 1406352404 its reverse (4042536041), we get a palindrome (5448888445).

The spelling of 1406352404 in words is "one billion, four hundred six million, three hundred fifty-two thousand, four hundred four".