406444535 has 8 divisors (see below), whose sum is σ = 557409696. Its totient is φ = 278704800.

The previous prime is 406444531. The next prime is 406444559. The reversal of 406444535 is 535444604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406444535 - 2² = 406444531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 11612701 = 406444535 / (4 + 0 + 6 + 4 + 4 + 4 + 5 + 3 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406444495 and 406444504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406444531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5806316 + ... + 5806385.

It is an arithmetic number, because the mean of its divisors is an integer number (69676212).

Almost surely, 2^406444535 is an apocalyptic number.

406444535 is a deficient number, since it is larger than the sum of its proper divisors (150965161).

406444535 is a wasteful number, since it uses less digits than its factorization.

406444535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612713.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 406444535 is about 20160.4696125859. The cubic root of 406444535 is about 740.7422155034.

The spelling of 406444535 in words is "four hundred six million, four hundred forty-four thousand, five hundred thirty-five".