3857494240 has 24 divisors (see below), whose sum is σ = 9113330520. Its totient is φ = 1542997632.

The previous prime is 3857494219. The next prime is 3857494241. The reversal of 3857494240 is 424947583.

It is a happy number.

3857494240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857494241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12054510 + ... + 12054829.

It is an arithmetic number, because the mean of its divisors is an integer number (379722105).

Almost surely, 2^3857494240 is an apocalyptic number.

It is an amenable number.

3857494240 is an abundant number, since it is smaller than the sum of its proper divisors (5255836280).

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

3857494240 is a wasteful number, since it uses less digits than its factorization.

3857494240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24109354 (or 24109346 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 3857494240 is about 62108.7291771455. The cubic root of 3857494240 is about 1568.3214971409.

The spelling of 3857494240 in words is "three billion, eight hundred fifty-seven million, four hundred ninety-four thousand, two hundred forty".