3949826 has 8 divisors (see below), whose sum is σ = 5939724. Its totient is φ = 1969920.

The previous prime is 3949819. The next prime is 3949849. The reversal of 3949826 is 6289493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3591025 + 358801 = 1895^2 + 599^2 .

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

It is a super-2 number, since 2×3949826² = 31202250860552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415 + ... + 3146.

Almost surely, 2^3949826 is an apocalyptic number.

3949826 is a deficient number, since it is larger than the sum of its proper divisors (1989898).

3949826 is a wasteful number, since it uses less digits than its factorization.

3949826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996.

The product of its digits is 93312, while the sum is 41.

The square root of 3949826 is about 1987.4169165024. The cubic root of 3949826 is about 158.0735917393.

The spelling of 3949826 in words is "three million, nine hundred forty-nine thousand, eight hundred twenty-six".