1641494 has 4 divisors (see below), whose sum is σ = 2462244. Its totient is φ = 820746.

The previous prime is 1641473. The next prime is 1641509. The reversal of 1641494 is 4941461.

It is a happy number.

1641494 is nontrivially palindromic in base 8.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410372 + ... + 410375.

It is an arithmetic number, because the mean of its divisors is an integer number (615561).

2^1641494 is an apocalyptic number.

1641494 is a deficient number, since it is larger than the sum of its proper divisors (820750).

1641494 is an equidigital number, since it uses as much as digits as its factorization.

1641494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820749.

The product of its digits is 3456, while the sum is 29.

The square root of 1641494 is about 1281.2080237026. The cubic root of 1641494 is about 117.9631695838.

The spelling of 1641494 in words is "one million, six hundred forty-one thousand, four hundred ninety-four".