3800391684 has 24 divisors (see below), whose sum is σ = 9389203488. Its totient is φ = 1192279680.

The previous prime is 3800391677. The next prime is 3800391689. The reversal of 3800391684 is 4861930083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3800391689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9314482 + ... + 9314889.

It is an arithmetic number, because the mean of its divisors is an integer number (391216812).

Almost surely, 2^3800391684 is an apocalyptic number.

3800391684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3800391684 is an abundant number, since it is smaller than the sum of its proper divisors (5588811804).

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

3800391684 is a wasteful number, since it uses less digits than its factorization.

3800391684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18629395 (or 18629393 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3800391684 is about 61647.3169245832. The cubic root of 3800391684 is about 1560.5443645903.

The spelling of 3800391684 in words is "three billion, eight hundred million, three hundred ninety-one thousand, six hundred eighty-four".