3955623 has 24 divisors (see below), whose sum is σ = 6238080. Its totient is φ = 2222640.

The previous prime is 3955621. The next prime is 3955643. The reversal of 3955623 is 3265593.

It is not a de Polignac number, because 3955623 - 2¹ = 3955621 is a prime.

It is a d-powerful number, because it can be written as 3² + 9 + 5⁹ + 5⁹ + 6⁶ + 2⁹ + 3⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955621) 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, 10248 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (259920).

Almost surely, 2^3955623 is an apocalyptic number.

3955623 is a deficient number, since it is larger than the sum of its proper divisors (2282457).

3955623 is a wasteful number, since it uses less digits than its factorization.

3955623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 460 counting only the distinct ones).

The product of its digits is 24300, while the sum is 33.

The square root of 3955623 is about 1988.8748075231. The cubic root of 3955623 is about 158.1508866782.

The spelling of 3955623 in words is "three million, nine hundred fifty-five thousand, six hundred twenty-three".