2870320 has 20 divisors (see below), whose sum is σ = 6673680. Its totient is φ = 1148096.

The previous prime is 2870279. The next prime is 2870323. The reversal of 2870320 is 230782.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2870291 and 2870300.

It is not an unprimeable number, because it can be changed into a prime (2870323) 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, 17860 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (333684).

2^2870320 is an apocalyptic number.

2870320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2870320 is an abundant number, since it is smaller than the sum of its proper divisors (3803360).

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

2870320 is a wasteful number, since it uses less digits than its factorization.

2870320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35892 (or 35886 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2870320 is about 1694.2018769911. The cubic root of 2870320 is about 142.1161517419.

The spelling of 2870320 in words is "two million, eight hundred seventy thousand, three hundred twenty".