3868623 has 24 divisors (see below), whose sum is σ = 6364800. Its totient is φ = 2241360.

The previous prime is 3868619. The next prime is 3868649. The reversal of 3868623 is 3268683.

It is not a de Polignac number, because 3868623 - 2² = 3868619 is a prime.

It is a super-2 number, since 2×3868623² = 29932487832258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1428 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (265200).

Almost surely, 2^3868623 is an apocalyptic number.

3868623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3868623 is a deficient number, since it is larger than the sum of its proper divisors (2496177).

3868623 is a wasteful number, since it uses less digits than its factorization.

3868623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739 (or 1736 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3868623 is about 1966.8815419338. The cubic root of 3868623 is about 156.9828236581.

It can be divided in two parts, 386 and 8623, that added together give a palindrome (9009).

The spelling of 3868623 in words is "three million, eight hundred sixty-eight thousand, six hundred twenty-three".