1970688 has 40 divisors (see below), whose sum is σ = 5254128. Its totient is φ = 656384.

The previous prime is 1970681. The next prime is 1970711. The reversal of 1970688 is 8860791.

It is a super-2 number, since 2×1970688² = 7767222386688, which contains 22 as substring.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1970681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895 + ... + 2177.

2^1970688 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 1970688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627064).

1970688 is an abundant number, since it is smaller than the sum of its proper divisors (3283440).

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

1970688 is an equidigital number, since it uses as much as digits as its factorization.

1970688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1970688 is about 1403.8119532188. The cubic root of 1970688 is about 125.3735598456.

It can be divided in two parts, 19 and 70688, that added together give a palindrome (70707).

The spelling of 1970688 in words is "one million, nine hundred seventy thousand, six hundred eighty-eight".