1970211 has 4 divisors (see below), whose sum is σ = 2626952. Its totient is φ = 1313472.

The previous prime is 1970209. The next prime is 1970219. The reversal of 1970211 is 1120791.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1970211 - 2¹ = 1970209 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970219) 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, 328366 + ... + 328371.

It is an arithmetic number, because the mean of its divisors is an integer number (656738).

2^1970211 is an apocalyptic number.

1970211 is a deficient number, since it is larger than the sum of its proper divisors (656741).

1970211 is an equidigital number, since it uses as much as digits as its factorization.

1970211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656740.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 1970211 is about 1403.6420483870. The cubic root of 1970211 is about 125.3634435793.

The spelling of 1970211 in words is "one million, nine hundred seventy thousand, two hundred eleven".