94540840 has 32 divisors (see below), whose sum is σ = 215637480. Its totient is φ = 37297152.

The previous prime is 94540811. The next prime is 94540909. The reversal of 94540840 is 4804549.

It can be written as a sum of positive squares in 4 ways, for example, as 83210884 + 11329956 = 9122^2 + 3366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 94540796 and 94540805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13269 + ... + 19108.

Almost surely, 2^94540840 is an apocalyptic number.

It is an amenable number.

94540840 is an abundant number, since it is smaller than the sum of its proper divisors (121096640).

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

94540840 is a wasteful number, since it uses less digits than its factorization.

94540840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32461 (or 32457 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 94540840 is about 9723.2114036464. The cubic root of 94540840 is about 455.5539523596.

The spelling of 94540840 in words is "ninety-four million, five hundred forty thousand, eight hundred forty".