1969968 has 160 divisors (see below), whose sum is σ = 6999552. Its totient is φ = 460800.

The previous prime is 1969967. The next prime is 1969969. The reversal of 1969968 is 8699691.

It is an interprime number because it is at equal distance from previous prime (1969967) and next prime (1969969).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1969967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48028 + ... + 48068.

2^1969968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1969968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499776).

1969968 is an abundant number, since it is smaller than the sum of its proper divisors (5029584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1969968 is a wasteful number, since it uses less digits than its factorization.

1969968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 77 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The square root of 1969968 is about 1403.5554851875. Note that the first 3 decimals coincide. The cubic root of 1969968 is about 125.3582893819.

1969968 divided by its sum of digits (48) gives a triangular number (41041 = T₂₈₆).

It can be divided in two parts, 1 and 969968, that added together give a palindrome (969969).

The spelling of 1969968 in words is "one million, nine hundred sixty-nine thousand, nine hundred sixty-eight".