3787965 has 40 divisors (see below), whose sum is σ = 6969600. Its totient is φ = 1967328.

The previous prime is 3787961. The next prime is 3787967. The reversal of 3787965 is 5697873.

It is a happy number.

It is not a de Polignac number, because 3787965 - 2² = 3787961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3787965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787961) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18936 + ... + 19134.

It is an arithmetic number, because the mean of its divisors is an integer number (174240).

Almost surely, 2^3787965 is an apocalyptic number.

It is an amenable number.

3787965 is a deficient number, since it is larger than the sum of its proper divisors (3181635).

3787965 is a wasteful number, since it uses less digits than its factorization.

3787965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 254 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3787965 is about 1946.2695085727. The cubic root of 3787965 is about 155.8841595641.

The spelling of 3787965 in words is "three million, seven hundred eighty-seven thousand, nine hundred sixty-five".