1970393 has 4 divisors (see below), whose sum is σ = 1988580. Its totient is φ = 1952208.

The previous prime is 1970369. The next prime is 1970401. The reversal of 1970393 is 3930791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3930791 = 17 ⋅231223.

It can be written as a sum of positive squares in 2 ways, for example, as 1708249 + 262144 = 1307^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970393 - 2¹² = 1966297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970333) 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, 8930 + ... + 9147.

It is an arithmetic number, because the mean of its divisors is an integer number (497145).

2^1970393 is an apocalyptic number.

It is an amenable number.

1970393 is a deficient number, since it is larger than the sum of its proper divisors (18187).

1970393 is a wasteful number, since it uses less digits than its factorization.

1970393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18186.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 1970393 is about 1403.7068782335. The cubic root of 1970393 is about 125.3673036471.

The spelling of 1970393 in words is "one million, nine hundred seventy thousand, three hundred ninety-three".