970819 has 4 divisors (see below), whose sum is σ = 1027944. Its totient is φ = 913696.

The previous prime is 970817. The next prime is 970829. The reversal of 970819 is 918079.

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

It is a cyclic number.

It is not a de Polignac number, because 970819 - 2¹ = 970817 is a prime.

It is a super-2 number, since 2×970819² = 1884979061522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970813) 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, 28537 + ... + 28570.

It is an arithmetic number, because the mean of its divisors is an integer number (256986).

2⁹⁷⁰⁸¹⁹ is an apocalyptic number.

970819 is a deficient number, since it is larger than the sum of its proper divisors (57125).

970819 is a wasteful number, since it uses less digits than its factorization.

970819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57124.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 970819 is about 985.3014767065. The cubic root of 970819 is about 99.0176821119.

It can be divided in two parts, 970 and 819, that multiplied together give a triangular number (794430 = T₁₂₆₀).

The spelling of 970819 in words is "nine hundred seventy thousand, eight hundred nineteen".