842970 has 16 divisors (see below), whose sum is σ = 2023200. Its totient is φ = 224784.

The previous prime is 842969. The next prime is 842977. The reversal of 842970 is 79248.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 28099 = 842970 / (8 + 4 + 2 + 9 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (842977) 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, 14020 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (126450).

2⁸⁴²⁹⁷⁰ is an apocalyptic number.

842970 is an abundant number, since it is smaller than the sum of its proper divisors (1180230).

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

842970 is a wasteful number, since it uses less digits than its factorization.

842970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28109.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 842970 is about 918.1339771515. The cubic root of 842970 is about 94.4649515894.

The spelling of 842970 in words is "eight hundred forty-two thousand, nine hundred seventy".