406289896 has 32 divisors (see below), whose sum is σ = 784896840. Its totient is φ = 197019648.

The previous prime is 406289881. The next prime is 406289899. The reversal of 406289896 is 698982604.

It can be written as a sum of positive squares in 4 ways, for example, as 309267396 + 97022500 = 17586^2 + 9850^2 .

It is not an unprimeable number, because it can be changed into a prime (406289899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97716 + ... + 101788.

Almost surely, 2^406289896 is an apocalyptic number.

It is an amenable number.

406289896 is a deficient number, since it is larger than the sum of its proper divisors (378606944).

406289896 is a wasteful number, since it uses less digits than its factorization.

406289896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 406289896 is about 20156.6340444033. The cubic root of 406289896 is about 740.6482607684.

The spelling of 406289896 in words is "four hundred six million, two hundred eighty-nine thousand, eight hundred ninety-six".