1799961 has 8 divisors (see below), whose sum is σ = 2433120. Its totient is φ = 1183392.

The previous prime is 1799951. The next prime is 1799969. The reversal of 1799961 is 1699971.

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

It is not a de Polignac number, because 1799961 - 2⁵ = 1799929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1799969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891 + ... + 4328.

It is an arithmetic number, because the mean of its divisors is an integer number (304140).

2^1799961 is an apocalyptic number.

It is an amenable number.

1799961 is a deficient number, since it is larger than the sum of its proper divisors (633159).

1799961 is an equidigital number, since it uses as much as digits as its factorization.

1799961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295.

The product of its digits is 30618, while the sum is 42.

The square root of 1799961 is about 1341.6262519793. The cubic root of 1799961 is about 121.6431613648.

The spelling of 1799961 in words is "one million, seven hundred ninety-nine thousand, nine hundred sixty-one".