3783946 has 8 divisors (see below), whose sum is σ = 5696964. Its totient is φ = 1884960.

The previous prime is 3783943. The next prime is 3783961. The reversal of 3783946 is 6493873.

It can be written as a sum of positive squares in 2 ways, for example, as 3080025 + 703921 = 1755^2 + 839^2 .

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

It is a d-powerful number, because it can be written as 3² + 7³ + 8⁷ + 3⁸ + 9 + 4⁴ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 3783899 and 3783908.

It is not an unprimeable number, because it can be changed into a prime (3783943) 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, 2805 + ... + 3928.

Almost surely, 2^3783946 is an apocalyptic number.

3783946 is a deficient number, since it is larger than the sum of its proper divisors (1913018).

3783946 is a wasteful number, since it uses less digits than its factorization.

3783946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016.

The product of its digits is 108864, while the sum is 40.

The square root of 3783946 is about 1945.2367465170. The cubic root of 3783946 is about 155.8290094472.

The spelling of 3783946 in words is "three million, seven hundred eighty-three thousand, nine hundred forty-six".