1896961 has 8 divisors (see below), whose sum is σ = 2079648. Its totient is φ = 1716000.

The previous prime is 1896959. The next prime is 1896989. The reversal of 1896961 is 1696981.

1896961 = T₂₀₆ + T₂₀₇ + ... + T₂₇₁.

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

It is not a de Polignac number, because 1896961 - 2¹ = 1896959 is a prime.

It is a super-2 number, since 2×1896961² = 7196922071042, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1896901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3381 + ... + 3901.

It is an arithmetic number, because the mean of its divisors is an integer number (259956).

It is a Poulet number, since it divides 2^1896960-1.

2^1896961 is an apocalyptic number.

1896961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1896961 is a deficient number, since it is larger than the sum of its proper divisors (182687).

1896961 is a wasteful number, since it uses less digits than its factorization.

1896961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its digits is 23328, while the sum is 40.

The square root of 1896961 is about 1377.3020728947. The cubic root of 1896961 is about 123.7901627962.

The spelling of 1896961 in words is "one million, eight hundred ninety-six thousand, nine hundred sixty-one".