3940954193 has 16 divisors (see below), whose sum is σ = 4359916800. Its totient is φ = 3532464000.

The previous prime is 3940954181. The next prime is 3940954201. The reversal of 3940954193 is 3914590493.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3940954193 is a prime.

It is a super-2 number, since 2×3940954193² = 31062239902648562498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940954123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215768 + ... + 233318.

It is an arithmetic number, because the mean of its divisors is an integer number (272494800).

Almost surely, 2^3940954193 is an apocalyptic number.

It is an amenable number.

3940954193 is a deficient number, since it is larger than the sum of its proper divisors (418962607).

3940954193 is a wasteful number, since it uses less digits than its factorization.

3940954193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17848.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 3940954193 is about 62777.0196250188. The cubic root of 3940954193 is about 1579.5515194829.

The spelling of 3940954193 in words is "three billion, nine hundred forty million, nine hundred fifty-four thousand, one hundred ninety-three".