1546642 has 8 divisors (see below), whose sum is σ = 2346300. Its totient is φ = 764544.

The previous prime is 1546639. The next prime is 1546663. The reversal of 1546642 is 2466451.

It can be written as a sum of positive squares in 2 ways, for example, as 1540081 + 6561 = 1241^2 + 81^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1546642.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4167 + ... + 4522.

2^1546642 is an apocalyptic number.

1546642 is a deficient number, since it is larger than the sum of its proper divisors (799658).

1546642 is an equidigital number, since it uses as much as digits as its factorization.

1546642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780.

The product of its digits is 5760, while the sum is 28.

The square root of 1546642 is about 1243.6406233314. The cubic root of 1546642 is about 115.6458182140.

The spelling of 1546642 in words is "one million, five hundred forty-six thousand, six hundred forty-two".