3765915 has 24 divisors (see below), whose sum is σ = 6654960. Its totient is φ = 1969344.

The previous prime is 3765893. The next prime is 3765917. The reversal of 3765915 is 5195673.

It is a happy number.

It is not a de Polignac number, because 3765915 - 2¹¹ = 3763867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3765915.

It is not an unprimeable number, because it can be changed into a prime (3765917) 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, 1596 + ... + 3174.

It is an arithmetic number, because the mean of its divisors is an integer number (277290).

Almost surely, 2^3765915 is an apocalyptic number.

3765915 is a deficient number, since it is larger than the sum of its proper divisors (2889045).

3765915 is a wasteful number, since it uses less digits than its factorization.

3765915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1640 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 3765915 is about 1940.5965577626. The cubic root of 3765915 is about 155.5811000189.

The spelling of 3765915 in words is "three million, seven hundred sixty-five thousand, nine hundred fifteen".