3958635 has 8 divisors (see below), whose sum is σ = 6333840. Its totient is φ = 2111264.

The previous prime is 3958627. The next prime is 3958657. The reversal of 3958635 is 5368593.

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 3958635 - 2³ = 3958627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3958593 and 3958602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131940 + ... + 131969.

It is an arithmetic number, because the mean of its divisors is an integer number (791730).

Almost surely, 2^3958635 is an apocalyptic number.

3958635 is a deficient number, since it is larger than the sum of its proper divisors (2375205).

3958635 is a wasteful number, since it uses less digits than its factorization.

3958635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263917.

The product of its digits is 97200, while the sum is 39.

The square root of 3958635 is about 1989.6318754986. The cubic root of 3958635 is about 158.1910177032.

It can be divided in two parts, 39586 and 35, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 3958635 in words is "three million, nine hundred fifty-eight thousand, six hundred thirty-five".