3820136472 has 64 divisors (see below), whose sum is σ = 10616853600. Its totient is φ = 1272735360.

The previous prime is 3820136471. The next prime is 3820136473. The reversal of 3820136472 is 2746310283.

It is a happy number.

3820136472 is a `hidden beast` number, since 3 + 8 + 2 + 0 + 1 + 3 + 647 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3820136471) and next prime (3820136473).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820136471) 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, 635722 + ... + 641702.

Almost surely, 2^3820136472 is an apocalyptic number.

It is an amenable number.

3820136472 is an abundant number, since it is smaller than the sum of its proper divisors (6796717128).

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

3820136472 is a wasteful number, since it uses less digits than its factorization.

3820136472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953 (or 8943 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 3820136472 is about 61807.2525841426. The cubic root of 3820136472 is about 1563.2422802940.

The spelling of 3820136472 in words is "three billion, eight hundred twenty million, one hundred thirty-six thousand, four hundred seventy-two".