3908623 has 8 divisors (see below), whose sum is σ = 4356720. Its totient is φ = 3484800.

The previous prime is 3908617. The next prime is 3908629. The reversal of 3908623 is 3268093.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3908617) and next prime (3908629).

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 3908623 - 2¹⁷ = 3777551 is a prime.

It is a super-2 number, since 2×3908623² = 30554667512258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 9³ + 0 + 8⁷ + 6⁸ + 2¹⁷ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3908629) 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, 5728 + ... + 6373.

It is an arithmetic number, because the mean of its divisors is an integer number (544590).

Almost surely, 2^3908623 is an apocalyptic number.

3908623 is a deficient number, since it is larger than the sum of its proper divisors (448097).

3908623 is a wasteful number, since it uses less digits than its factorization.

3908623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3908623 is about 1977.0237732511. The cubic root of 3908623 is about 157.5220159028.

The spelling of 3908623 in words is "three million, nine hundred eight thousand, six hundred twenty-three".