3785447526 has 32 divisors (see below), whose sum is σ = 8718513408. Its totient is φ = 1073298720.

The previous prime is 3785447521. The next prime is 3785447581. The reversal of 3785447526 is 6257445873.

It is a happy number.

It is a super-2 number, since 2×3785447526² = 28659225944199041352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785447521) 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, 338505 + ... + 349508.

It is an arithmetic number, because the mean of its divisors is an integer number (272453544).

Almost surely, 2^3785447526 is an apocalyptic number.

3785447526 is an abundant number, since it is smaller than the sum of its proper divisors (4933065882).

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

3785447526 is a wasteful number, since it uses less digits than its factorization.

3785447526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688156.

The product of its digits is 5644800, while the sum is 51.

The square root of 3785447526 is about 61525.9906543568. The cubic root of 3785447526 is about 1558.4961847697.

The spelling of 3785447526 in words is "three billion, seven hundred eighty-five million, four hundred forty-seven thousand, five hundred twenty-six".