1461646 has 4 divisors (see below), whose sum is σ = 2192472. Its totient is φ = 730822.

The previous prime is 1461641. The next prime is 1461659. The reversal of 1461646 is 6461641.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365410 + ... + 365413.

It is an arithmetic number, because the mean of its divisors is an integer number (548118).

2^1461646 is an apocalyptic number.

1461646 is a deficient number, since it is larger than the sum of its proper divisors (730826).

1461646 is an equidigital number, since it uses as much as digits as its factorization.

1461646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730825.

The product of its digits is 3456, while the sum is 28.

The square root of 1461646 is about 1208.9855251408. The cubic root of 1461646 is about 113.4873358146.

The spelling of 1461646 in words is "one million, four hundred sixty-one thousand, six hundred forty-six".