3655938 has 32 divisors (see below), whose sum is σ = 8592192. Its totient is φ = 1022400.

The previous prime is 3655937. The next prime is 3655957. The reversal of 3655938 is 8395563.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 3655896 and 3655905.

It is not an unprimeable number, because it can be changed into a prime (3655937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (268506).

Almost surely, 2^3655938 is an apocalyptic number.

3655938 is an abundant number, since it is smaller than the sum of its proper divisors (4936254).

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

3655938 is a wasteful number, since it uses less digits than its factorization.

3655938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

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

The square root of 3655938 is about 1912.0507315445. The cubic root of 3655938 is about 154.0516215316.

The spelling of 3655938 in words is "three million, six hundred fifty-five thousand, nine hundred thirty-eight".