406606465 has 16 divisors (see below), whose sum is σ = 497064960. Its totient is φ = 319213440.

The previous prime is 406606463. The next prime is 406606483. The reversal of 406606465 is 564606604.

It is not a de Polignac number, because 406606465 - 2¹ = 406606463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406606463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275680 + ... + 277150.

It is an arithmetic number, because the mean of its divisors is an integer number (31066560).

Almost surely, 2^406606465 is an apocalyptic number.

It is an amenable number.

406606465 is a deficient number, since it is larger than the sum of its proper divisors (90458495).

406606465 is a wasteful number, since it uses less digits than its factorization.

406606465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 406606465 is about 20164.4852401444. The cubic root of 406606465 is about 740.8405745256.

The spelling of 406606465 in words is "four hundred six million, six hundred six thousand, four hundred sixty-five".