3868445 has 8 divisors (see below), whose sum is σ = 5305344. Its totient is φ = 2652624.

The previous prime is 3868441. The next prime is 3868463. The reversal of 3868445 is 5448683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3868445 - 2² = 3868441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3868399 and 3868408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868441) 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, 55229 + ... + 55298.

It is an arithmetic number, because the mean of its divisors is an integer number (663168).

Almost surely, 2^3868445 is an apocalyptic number.

3868445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3868445 is a deficient number, since it is larger than the sum of its proper divisors (1436899).

3868445 is a wasteful number, since it uses less digits than its factorization.

3868445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110539.

The product of its digits is 92160, while the sum is 38.

The square root of 3868445 is about 1966.8362921199. The cubic root of 3868445 is about 156.9804159650.

The spelling of 3868445 in words is "three million, eight hundred sixty-eight thousand, four hundred forty-five".