320836461 has 24 divisors (see below), whose sum is σ = 497875392. Its totient is φ = 183004800.

The previous prime is 320836457. The next prime is 320836463. The reversal of 320836461 is 164638023.

It is not a de Polignac number, because 320836461 - 2² = 320836457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320836463) 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 23 ways as a sum of consecutive naturals, for example, 19825 + ... + 32166.

It is an arithmetic number, because the mean of its divisors is an integer number (20744808).

Almost surely, 2^320836461 is an apocalyptic number.

It is an amenable number.

320836461 is a deficient number, since it is larger than the sum of its proper divisors (177038931).

320836461 is a wasteful number, since it uses less digits than its factorization.

320836461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52033 (or 52022 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 320836461 is about 17911.9083572912. The cubic root of 320836461 is about 684.5858302260.

The spelling of 320836461 in words is "three hundred twenty million, eight hundred thirty-six thousand, four hundred sixty-one".