461190021 has 16 divisors (see below), whose sum is σ = 647889600. Its totient is φ = 291005568.

The previous prime is 461190001. The next prime is 461190049. The reversal of 461190021 is 120091164.

It is not a de Polignac number, because 461190021 - 2⁷ = 461189893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461189973 and 461190000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461190001) 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 15 ways as a sum of consecutive naturals, for example, 70335 + ... + 76611.

It is an arithmetic number, because the mean of its divisors is an integer number (40493100).

Almost surely, 2^461190021 is an apocalyptic number.

It is an amenable number.

461190021 is a deficient number, since it is larger than the sum of its proper divisors (186699579).

461190021 is a wasteful number, since it uses less digits than its factorization.

461190021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7588.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 461190021 is about 21475.3351778267. The cubic root of 461190021 is about 772.6093635553.

The spelling of 461190021 in words is "four hundred sixty-one million, one hundred ninety thousand, twenty-one".