461671690 has 16 divisors (see below), whose sum is σ = 874746720. Its totient is φ = 174949200.

The previous prime is 461671673. The next prime is 461671699. The reversal of 461671690 is 96176164.

It is a super-2 number, since 2×461671690² = 426281498694912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461671699) 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, 1214736 + ... + 1215115.

It is an arithmetic number, because the mean of its divisors is an integer number (54671670).

Almost surely, 2^461671690 is an apocalyptic number.

461671690 is a deficient number, since it is larger than the sum of its proper divisors (413075030).

461671690 is a wasteful number, since it uses less digits than its factorization.

461671690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429877.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 461671690 is about 21486.5467211462. The cubic root of 461671690 is about 772.8782422403.

The spelling of 461671690 in words is "four hundred sixty-one million, six hundred seventy-one thousand, six hundred ninety".