3914758638 has 48 divisors (see below), whose sum is σ = 9930132576. Its totient is φ = 1091220480.

The previous prime is 3914758637. The next prime is 3914758667. The reversal of 3914758638 is 8368574193.

3914758638 is a `hidden beast` number, since 3 + 91 + 475 + 86 + 3 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914758637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373731 + ... + 384062.

It is an arithmetic number, because the mean of its divisors is an integer number (206877762).

Almost surely, 2^3914758638 is an apocalyptic number.

3914758638 is an abundant number, since it is smaller than the sum of its proper divisors (6015373938).

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

3914758638 is a wasteful number, since it uses less digits than its factorization.

3914758638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757849 (or 757846 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 3914758638 is about 62568.0320770919. The cubic root of 3914758638 is about 1576.0439724111.

The spelling of 3914758638 in words is "three billion, nine hundred fourteen million, seven hundred fifty-eight thousand, six hundred thirty-eight".