94647640 has 16 divisors (see below), whose sum is σ = 212957280. Its totient is φ = 37859040.

The previous prime is 94647593. The next prime is 94647647. The reversal of 94647640 is 4674649.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2366191 = 94647640 / (9 + 4 + 6 + 4 + 7 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 94647593 and 94647602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94647647) 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, 1183056 + ... + 1183135.

It is an arithmetic number, because the mean of its divisors is an integer number (13309830).

Almost surely, 2^94647640 is an apocalyptic number.

It is an amenable number.

94647640 is an abundant number, since it is smaller than the sum of its proper divisors (118309640).

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

94647640 is a wasteful number, since it uses less digits than its factorization.

94647640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366202 (or 2366198 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 94647640 is about 9728.7018661279. The cubic root of 94647640 is about 455.7254297617.

The spelling of 94647640 in words is "ninety-four million, six hundred forty-seven thousand, six hundred forty".