3819994 has 4 divisors (see below), whose sum is σ = 5729994. Its totient is φ = 1909996.

The previous prime is 3819983. The next prime is 3819997. The reversal of 3819994 is 4999183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4999183 = 7 ⋅714169.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 190969 = 1905^2 + 437^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3819994.

It is not an unprimeable number, because it can be changed into a prime (3819997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954997 + ... + 955000.

Almost surely, 2^3819994 is an apocalyptic number.

3819994 is a deficient number, since it is larger than the sum of its proper divisors (1910000).

3819994 is a wasteful number, since it uses less digits than its factorization.

3819994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909999.

The product of its digits is 69984, while the sum is 43.

The square root of 3819994 is about 1954.4804936351. The cubic root of 3819994 is about 156.3222846344.

The spelling of 3819994 in words is "three million, eight hundred nineteen thousand, nine hundred ninety-four".