3940000493 has 64 divisors (see below), whose sum is σ = 5051531520. Its totient is φ = 3019161600.

The previous prime is 3940000489. The next prime is 3940000513.

3940000493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3940000493 - 2² = 3940000489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940000693) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12587705 + ... + 12588017.

It is an arithmetic number, because the mean of its divisors is an integer number (78930180).

Almost surely, 2^3940000493 is an apocalyptic number.

It is an amenable number.

3940000493 is a deficient number, since it is larger than the sum of its proper divisors (1111531027).

3940000493 is a wasteful number, since it uses less digits than its factorization.

3940000493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3940000493 is about 62769.4232329723. The cubic root of 3940000493 is about 1579.4240935058.

It can be divided in two parts, 3940000 and 493, that added together give a palindrome (3940493).

The spelling of 3940000493 in words is "three billion, nine hundred forty million, four hundred ninety-three", and thus it is an aban number.