1970870 has 64 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 633600.

The previous prime is 1970867. The next prime is 1970873. The reversal of 1970870 is 780791.

It is an interprime number because it is at equal distance from previous prime (1970867) and next prime (1970873).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48050 + ... + 48090.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1970870 is an apocalyptic number.

1970870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1970870 is an abundant number, since it is smaller than the sum of its proper divisors (2383690).

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

1970870 is a wasteful number, since it uses less digits than its factorization.

1970870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1970870 is about 1403.8767752192. The cubic root of 1970870 is about 125.3774192905.

The spelling of 1970870 in words is "one million, nine hundred seventy thousand, eight hundred seventy".