461623847 has 4 divisors (see below), whose sum is σ = 469448040. Its totient is φ = 453799656.

The previous prime is 461623793. The next prime is 461623853. The reversal of 461623847 is 748326164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461623847 - 2¹⁶ = 461558311 is a prime.

It is a super-2 number, since 2×461623847² = 426193152238158818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461628847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912008 + ... + 3912125.

It is an arithmetic number, because the mean of its divisors is an integer number (117362010).

Almost surely, 2^461623847 is an apocalyptic number.

461623847 is a deficient number, since it is larger than the sum of its proper divisors (7824193).

461623847 is an equidigital number, since it uses as much as digits as its factorization.

461623847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824192.

The product of its digits is 193536, while the sum is 41.

The square root of 461623847 is about 21485.4333677494. The cubic root of 461623847 is about 772.8515435480.

The spelling of 461623847 in words is "four hundred sixty-one million, six hundred twenty-three thousand, eight hundred forty-seven".