934091640 has 192 divisors, whose sum is σ = 3254472000. Its totient is φ = 231745536.

The previous prime is 934091611. The next prime is 934091651. The reversal of 934091640 is 46190439.

934091640 is a `hidden beast` number, since 9 + 3 + 4 + 0 + 9 + 1 + 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 = 934091595 and 934091604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304836 + ... + 307884.

It is an arithmetic number, because the mean of its divisors is an integer number (16950375).

Almost surely, 2^934091640 is an apocalyptic number.

934091640 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 934091640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627236000).

934091640 is an abundant number, since it is smaller than the sum of its proper divisors (2320380360).

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

934091640 is a wasteful number, since it uses less digits than its factorization.

934091640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3119 counting only the distinct ones).

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

The square root of 934091640 is about 30562.9128192978. The cubic root of 934091640 is about 977.5294008508.

The spelling of 934091640 in words is "nine hundred thirty-four million, ninety-one thousand, six hundred forty".