3782913 has 4 divisors (see below), whose sum is σ = 5043888. Its totient is φ = 2521940.

The previous prime is 3782897. The next prime is 3782921. The reversal of 3782913 is 3192873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3782913 - 2⁴ = 3782897 is a prime.

It is a D-number.

3782913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3782953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630483 + ... + 630488.

It is an arithmetic number, because the mean of its divisors is an integer number (1260972).

Almost surely, 2^3782913 is an apocalyptic number.

It is an amenable number.

3782913 is a deficient number, since it is larger than the sum of its proper divisors (1260975).

3782913 is a wasteful number, since it uses less digits than its factorization.

3782913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260974.

The product of its digits is 9072, while the sum is 33.

The square root of 3782913 is about 1944.9712080131. The cubic root of 3782913 is about 155.8148279537.

The spelling of 3782913 in words is "three million, seven hundred eighty-two thousand, nine hundred thirteen".