3786471646 has 16 divisors (see below), whose sum is σ = 5928207264. Its totient is φ = 1810445824.

The previous prime is 3786471641. The next prime is 3786471649. The reversal of 3786471646 is 6461746873.

It is a junction number, because it is equal to n+sod(n) for n = 3786471593 and 3786471602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786471641) 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, 218766 + ... + 235438.

It is an arithmetic number, because the mean of its divisors is an integer number (370512954).

Almost surely, 2^3786471646 is an apocalyptic number.

3786471646 is a deficient number, since it is larger than the sum of its proper divisors (2141735618).

3786471646 is a wasteful number, since it uses less digits than its factorization.

3786471646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635.

The product of its digits is 4064256, while the sum is 52.

The square root of 3786471646 is about 61534.3127531299. The cubic root of 3786471646 is about 1558.6367179729.

The spelling of 3786471646 in words is "three billion, seven hundred eighty-six million, four hundred seventy-one thousand, six hundred forty-six".