94042820 has 12 divisors (see below), whose sum is σ = 197489964. Its totient is φ = 37617120.

The previous prime is 94042787. The next prime is 94042847. The reversal of 94042820 is 2824049.

It can be written as a sum of positive squares in 2 ways, for example, as 19945156 + 74097664 = 4466^2 + 8608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351051 + ... + 2351090.

It is an arithmetic number, because the mean of its divisors is an integer number (16457497).

Almost surely, 2^94042820 is an apocalyptic number.

It is an amenable number.

94042820 is an abundant number, since it is smaller than the sum of its proper divisors (103447144).

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

94042820 is a wasteful number, since it uses less digits than its factorization.

94042820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702150 (or 4702148 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 94042820 is about 9697.5677362935. The cubic root of 94042820 is about 454.7526248596.

Adding to 94042820 its reverse (2824049), we get a palindrome (96866869).

The spelling of 94042820 in words is "ninety-four million, forty-two thousand, eight hundred twenty".