3861029 has 4 divisors (see below), whose sum is σ = 3864960. Its totient is φ = 3857100.

The previous prime is 3861017. The next prime is 3861041. The reversal of 3861029 is 9201683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3861017) and next prime (3861041).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3861029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3860992 and 3861010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (966240).

Almost surely, 2^3861029 is an apocalyptic number.

It is an amenable number.

3861029 is a deficient number, since it is larger than the sum of its proper divisors (3931).

3861029 is a wasteful number, since it uses less digits than its factorization.

3861029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3861029 is about 1964.9501265935. The cubic root of 3861029 is about 156.8800387264.

The spelling of 3861029 in words is "three million, eight hundred sixty-one thousand, twenty-nine".