94304640 has 64 divisors (see below), whose sum is σ = 300602160. Its totient is φ = 25147392.

The previous prime is 94304629. The next prime is 94304641. The reversal of 94304640 is 4640349.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 94304598 and 94304607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94304641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22639 + ... + 26478.

Almost surely, 2^94304640 is an apocalyptic number.

It is an amenable number.

94304640 is an abundant number, since it is smaller than the sum of its proper divisors (206297520).

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

94304640 is a wasteful number, since it uses less digits than its factorization.

94304640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49139 (or 49127 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 94304640 is about 9711.0576149048. The cubic root of 94304640 is about 455.1742519795.

Adding to 94304640 its reverse (4640349), we get a palindrome (98944989).

The spelling of 94304640 in words is "ninety-four million, three hundred four thousand, six hundred forty".