461820369 has 8 divisors (see below), whose sum is σ = 617506272. Its totient is φ = 307007360.

The previous prime is 461820353. The next prime is 461820371. The reversal of 461820369 is 963028164.

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

It is a cyclic number.

It is not a de Polignac number, because 461820369 - 2⁴ = 461820353 is a prime.

It is a super-2 number, since 2×461820369² = 426556106446592322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461820329) 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, 216987 + ... + 219104.

It is an arithmetic number, because the mean of its divisors is an integer number (77188284).

Almost surely, 2^461820369 is an apocalyptic number.

It is an amenable number.

461820369 is a deficient number, since it is larger than the sum of its proper divisors (155685903).

461820369 is a wasteful number, since it uses less digits than its factorization.

461820369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436447.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 461820369 is about 21490.0062587241. The cubic root of 461820369 is about 772.9612004935.

The spelling of 461820369 in words is "four hundred sixty-one million, eight hundred twenty thousand, three hundred sixty-nine".