1830961 has 8 divisors (see below), whose sum is σ = 2084544. Its totient is φ = 1591920.

The previous prime is 1830943. The next prime is 1830967. The reversal of 1830961 is 1690381.

It is a happy number.

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

It is not a de Polignac number, because 1830961 - 2⁷ = 1830833 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1830967) 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 in 7 ways as a sum of consecutive naturals, for example, 3366 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (260568).

2^1830961 is an apocalyptic number.

1830961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1830961 is a deficient number, since it is larger than the sum of its proper divisors (253583).

1830961 is a wasteful number, since it uses less digits than its factorization.

1830961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1830961 is about 1353.1300750482. The cubic root of 1830961 is about 122.3375272135.

The spelling of 1830961 in words is "one million, eight hundred thirty thousand, nine hundred sixty-one".