320461005 has 32 divisors (see below), whose sum is σ = 520704000. Its totient is φ = 168279552.

The previous prime is 320460989. The next prime is 320461007. The reversal of 320461005 is 500164023.

It is a happy number.

It is not a de Polignac number, because 320461005 - 2⁴ = 320460989 is a prime.

It is a super-2 number, since 2×320461005² = 205390511451220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320461007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283281 + ... + 284409.

It is an arithmetic number, because the mean of its divisors is an integer number (16272000).

Almost surely, 2^320461005 is an apocalyptic number.

It is an amenable number.

320461005 is a deficient number, since it is larger than the sum of its proper divisors (200242995).

320461005 is a wasteful number, since it uses less digits than its factorization.

320461005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 320461005 is about 17901.4246639758. The cubic root of 320461005 is about 684.3186825074.

The spelling of 320461005 in words is "three hundred twenty million, four hundred sixty-one thousand, five".