1946491 has 4 divisors (see below), whose sum is σ = 1951792. Its totient is φ = 1941192.

The previous prime is 1946489. The next prime is 1946501.

1946491 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1946491 - 2¹ = 1946489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1946401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (487948).

2^1946491 is an apocalyptic number.

1946491 is the 806-th hex number.

1946491 is a deficient number, since it is larger than the sum of its proper divisors (5301).

1946491 is an equidigital number, since it uses as much as digits as its factorization.

1946491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300.

The product of its digits is 7776, while the sum is 34.

The square root of 1946491 is about 1395.1670150917. The cubic root of 1946491 is about 124.8583141283.

The spelling of 1946491 in words is "one million, nine hundred forty-six thousand, four hundred ninety-one".