3786945 has 8 divisors (see below), whose sum is σ = 6059136. Its totient is φ = 2019696.

The previous prime is 3786919. The next prime is 3786953. The reversal of 3786945 is 5496873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3786945 - 2⁸ = 3786689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3786897 and 3786906.

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, 126217 + ... + 126246.

It is an arithmetic number, because the mean of its divisors is an integer number (757392).

Almost surely, 2^3786945 is an apocalyptic number.

It is an amenable number.

3786945 is a deficient number, since it is larger than the sum of its proper divisors (2272191).

3786945 is a wasteful number, since it uses less digits than its factorization.

3786945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252471.

The product of its digits is 181440, while the sum is 42.

The square root of 3786945 is about 1946.0074511676. The cubic root of 3786945 is about 155.8701664644.

The spelling of 3786945 in words is "three million, seven hundred eighty-six thousand, nine hundred forty-five".