970840 has 32 divisors (see below), whose sum is σ = 2353680. Its totient is φ = 358272.

The previous prime is 970829. The next prime is 970847. The reversal of 970840 is 48079.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 970799 and 970808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970847) by changing a digit.

970840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414 + ... + 1453.

2⁹⁷⁰⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

970840 is an abundant number, since it is smaller than the sum of its proper divisors (1382840).

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

970840 is a wasteful number, since it uses less digits than its factorization.

970840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 970840 is about 985.3121332857. The cubic root of 970840 is about 99.0183960645.

Subtracting from 970840 its reverse (48079), we obtain a triangular number (922761 = T₁₃₅₈).

The spelling of 970840 in words is "nine hundred seventy thousand, eight hundred forty".