7895820 has 48 divisors (see below), whose sum is σ = 23411808. Its totient is φ = 1981440.

The previous prime is 7895809. The next prime is 7895827. The reversal of 7895820 is 285987.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7895827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (487746).

Almost surely, 2^7895820 is an apocalyptic number.

It is an amenable number.

7895820 is an abundant number, since it is smaller than the sum of its proper divisors (15515988).

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

7895820 is a wasteful number, since it uses less digits than its factorization.

7895820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770 (or 7768 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 7895820 is about 2809.9501774943. The cubic root of 7895820 is about 199.1280372630.

The spelling of 7895820 in words is "seven million, eight hundred ninety-five thousand, eight hundred twenty".