3709853838 has 16 divisors (see below), whose sum is σ = 8244119760. Its totient is φ = 1236617928.

The previous prime is 3709853837. The next prime is 3709853843. The reversal of 3709853838 is 8383589073.

3709853838 is a `hidden beast` number, since 3 + 70 + 9 + 8 + 538 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 68700997 = 3709853838 / (3 + 7 + 0 + 9 + 8 + 5 + 3 + 8 + 3 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3709853837) 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, 34350445 + ... + 34350552.

It is an arithmetic number, because the mean of its divisors is an integer number (515257485).

Almost surely, 2^3709853838 is an apocalyptic number.

3709853838 is an abundant number, since it is smaller than the sum of its proper divisors (4534265922).

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

3709853838 is a wasteful number, since it uses less digits than its factorization.

3709853838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68701008 (or 68701002 counting only the distinct ones).

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

The square root of 3709853838 is about 60908.5694955973. The cubic root of 3709853838 is about 1548.0521961248.

The spelling of 3709853838 in words is "three billion, seven hundred nine million, eight hundred fifty-three thousand, eight hundred thirty-eight".