461857490 has 32 divisors (see below), whose sum is σ = 843022080. Its totient is φ = 182160000.

The previous prime is 461857483. The next prime is 461857507. The reversal of 461857490 is 94758164.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614615 + ... + 615365.

It is an arithmetic number, because the mean of its divisors is an integer number (26344440).

Almost surely, 2^461857490 is an apocalyptic number.

461857490 is a deficient number, since it is larger than the sum of its proper divisors (381164590).

461857490 is a wasteful number, since it uses less digits than its factorization.

461857490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 461857490 is about 21490.8699218994. The cubic root of 461857490 is about 772.9819100781.

The spelling of 461857490 in words is "four hundred sixty-one million, eight hundred fifty-seven thousand, four hundred ninety".