461623961 has 16 divisors (see below), whose sum is σ = 494944128. Its totient is φ = 429475200.

The previous prime is 461623949. The next prime is 461623969. The reversal of 461623961 is 169326164.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461623961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461623969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462515 + ... + 463511.

It is an arithmetic number, because the mean of its divisors is an integer number (30934008).

Almost surely, 2^461623961 is an apocalyptic number.

461623961 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

461623961 is a deficient number, since it is larger than the sum of its proper divisors (33320167).

461623961 is a wasteful number, since it uses less digits than its factorization.

461623961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its digits is 46656, while the sum is 38.

The square root of 461623961 is about 21485.4360207095. The cubic root of 461623961 is about 772.8516071677.

The spelling of 461623961 in words is "four hundred sixty-one million, six hundred twenty-three thousand, nine hundred sixty-one".