934694640 has 560 divisors, whose sum is σ = 3747188736. Its totient is φ = 214617600.

The previous prime is 934694611. The next prime is 934694659. The reversal of 934694640 is 46496439.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 19887097 + ... + 19887143.

Almost surely, 2^934694640 is an apocalyptic number.

934694640 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 934694640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873594368).

934694640 is an abundant number, since it is smaller than the sum of its proper divisors (2812494096).

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

934694640 is a wasteful number, since it uses less digits than its factorization.

934694640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 934694640 is about 30572.7761251738. The cubic root of 934694640 is about 977.7397026419.

The spelling of 934694640 in words is "nine hundred thirty-four million, six hundred ninety-four thousand, six hundred forty".