94319640 has 160 divisors (see below), whose sum is σ = 324870480. Its totient is φ = 24530688.

The previous prime is 94319593. The next prime is 94319671. The reversal of 94319640 is 4691349.

94319640 is a `hidden beast` number, since 9 + 4 + 3 + 1 + 9 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 94319595 and 94319604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 138982 + ... + 139658.

Almost surely, 2^94319640 is an apocalyptic number.

94319640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94319640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162435240).

94319640 is an abundant number, since it is smaller than the sum of its proper divisors (230550840).

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

94319640 is a wasteful number, since it uses less digits than its factorization.

94319640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 94319640 is about 9711.8298996636. The cubic root of 94319640 is about 455.1983838844.

The spelling of 94319640 in words is "ninety-four million, three hundred nineteen thousand, six hundred forty".