3861737 has 16 divisors (see below), whose sum is σ = 4525632. Its totient is φ = 3256320.

The previous prime is 3861721. The next prime is 3861743. The reversal of 3861737 is 7371683.

It is a cyclic number.

It is not a de Polignac number, because 3861737 - 2⁴ = 3861721 is a prime.

It is a Duffinian number.

3861737 is a modest number, since divided by 1737 gives 386 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3861697 and 3861706.

It is not an unprimeable number, because it can be changed into a prime (3861337) 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, 19913 + ... + 20105.

It is an arithmetic number, because the mean of its divisors is an integer number (282852).

Almost surely, 2^3861737 is an apocalyptic number.

It is an amenable number.

3861737 is a deficient number, since it is larger than the sum of its proper divisors (663895).

3861737 is a wasteful number, since it uses less digits than its factorization.

3861737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its digits is 21168, while the sum is 35.

The square root of 3861737 is about 1965.1302755797. The cubic root of 3861737 is about 156.8896272134.

The spelling of 3861737 in words is "three million, eight hundred sixty-one thousand, seven hundred thirty-seven".