5640194 has 24 divisors (see below), whose sum is σ = 10000080. Its totient is φ = 2378376.

The previous prime is 5640163. The next prime is 5640211. The reversal of 5640194 is 4910465.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6137 + ... + 6995.

It is an arithmetic number, because the mean of its divisors is an integer number (416670).

Almost surely, 2^5640194 is an apocalyptic number.

5640194 is a deficient number, since it is larger than the sum of its proper divisors (4359886).

5640194 is a wasteful number, since it uses less digits than its factorization.

5640194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5640194 is about 2374.9092614245. The cubic root of 5640194 is about 178.0046499648.

The spelling of 5640194 in words is "five million, six hundred forty thousand, one hundred ninety-four".