94420640 has 24 divisors (see below), whose sum is σ = 223069140. Its totient is φ = 37768192.

The previous prime is 94420639. The next prime is 94420643. The reversal of 94420640 is 4602449.

It can be written as a sum of positive squares in 2 ways, for example, as 93624976 + 795664 = 9676^2 + 892^2 .

It is not an unprimeable number, because it can be changed into a prime (94420643) 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, 294905 + ... + 295224.

Almost surely, 2^94420640 is an apocalyptic number.

It is an amenable number.

94420640 is an abundant number, since it is smaller than the sum of its proper divisors (128648500).

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

94420640 is a wasteful number, since it uses less digits than its factorization.

94420640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590144 (or 590136 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 94420640 is about 9717.0283523308. The cubic root of 94420640 is about 455.3608054688.

The spelling of 94420640 in words is "ninety-four million, four hundred twenty thousand, six hundred forty".