1946861 has 4 divisors (see below), whose sum is σ = 2224992. Its totient is φ = 1668732.

The previous prime is 1946851. The next prime is 1946869. The reversal of 1946861 is 1686491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1946861 - 2¹⁴ = 1930477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946869) 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, 139055 + ... + 139068.

It is an arithmetic number, because the mean of its divisors is an integer number (556248).

2^1946861 is an apocalyptic number.

It is an amenable number.

1946861 is a deficient number, since it is larger than the sum of its proper divisors (278131).

1946861 is an equidigital number, since it uses as much as digits as its factorization.

1946861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278130.

The product of its digits is 10368, while the sum is 35.

The square root of 1946861 is about 1395.2996094029. The cubic root of 1946861 is about 124.8662248848.

The spelling of 1946861 in words is "one million, nine hundred forty-six thousand, eight hundred sixty-one".