1968735 has 8 divisors (see below), whose sum is σ = 3150000. Its totient is φ = 1049984.

The previous prime is 1968721. The next prime is 1968739. The reversal of 1968735 is 5378691.

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

It is a cyclic number.

It is not a de Polignac number, because 1968735 - 2¹⁰ = 1967711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1968693 and 1968702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968739) 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, 65610 + ... + 65639.

It is an arithmetic number, because the mean of its divisors is an integer number (393750).

2^1968735 is an apocalyptic number.

1968735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1968735 is a deficient number, since it is larger than the sum of its proper divisors (1181265).

1968735 is a wasteful number, since it uses less digits than its factorization.

1968735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131257.

The product of its digits is 45360, while the sum is 39.

The square root of 1968735 is about 1403.1161748052. The cubic root of 1968735 is about 125.3321300687.

It can be divided in two parts, 196873 and 5, that added together give a triangular number (196878 = T₆₂₇).

The spelling of 1968735 in words is "one million, nine hundred sixty-eight thousand, seven hundred thirty-five".