3653958 has 48 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 947760.

The previous prime is 3653911. The next prime is 3653959. The reversal of 3653958 is 8593563.

3653958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4723 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 2^3653958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3653958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596480).

3653958 is an abundant number, since it is smaller than the sum of its proper divisors (5539002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3653958 is a wasteful number, since it uses less digits than its factorization.

3653958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 742 counting only the distinct ones).

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

The square root of 3653958 is about 1911.5328927330. The cubic root of 3653958 is about 154.0238058436.

The spelling of 3653958 in words is "three million, six hundred fifty-three thousand, nine hundred fifty-eight".