1970919 has 8 divisors (see below), whose sum is σ = 2919920. Its totient is φ = 1313928.

The previous prime is 1970873. The next prime is 1970921. The reversal of 1970919 is 9190791.

It is not a de Polignac number, because 1970919 - 2⁷ = 1970791 is a prime.

It is a super-2 number, since 2×1970919² = 7769043409122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970959) 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, 36472 + ... + 36525.

It is an arithmetic number, because the mean of its divisors is an integer number (364990).

2^1970919 is an apocalyptic number.

1970919 is a deficient number, since it is larger than the sum of its proper divisors (949001).

1970919 is an equidigital number, since it uses as much as digits as its factorization.

1970919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73006 (or 73000 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 1970919 is about 1403.8942267849. The cubic root of 1970919 is about 125.3784583313.

The spelling of 1970919 in words is "one million, nine hundred seventy thousand, nine hundred nineteen".